support type annot in constants, casts #55152

nikomatsakis · 2018-10-17T15:10:17Z

rust-highfive · 2018-10-17T16:13:44Z

The job x86_64-gnu-llvm-5.0 of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

[00:21:46]    Compiling rustc_tsan v0.0.0 (/checkout/src/librustc_tsan)
[00:21:48]    Compiling rustc_lsan v0.0.0 (/checkout/src/librustc_lsan)
[00:21:48]    Compiling rustc_msan v0.0.0 (/checkout/src/librustc_msan)
[00:21:48]    Compiling rustc_asan v0.0.0 (/checkout/src/librustc_asan)
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:544 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixsfsi[0]) (const Unevaluated(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:173:24
[00:22:21]     |
[00:22:21] 173 |         let sign_bit = <$fty>::SIGN_MASK;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 219 |         float_to_int!(f, f32, i32)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:544 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixsfsi[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:36
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 219 |         float_to_int!(f, f32, i32)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:544 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixsfsi[0]) (const Unevaluated(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:64
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 219 |         float_to_int!(f, f32, i32)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:545 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixsfdi[0]) (const Unevaluated(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:173:24
[00:22:21]     |
[00:22:21] 173 |         let sign_bit = <$fty>::SIGN_MASK;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 224 |         float_to_int!(f, f32, i64)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:545 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixsfdi[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:36
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 224 |         float_to_int!(f, f32, i64)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:545 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixsfdi[0]) (const Unevaluated(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:64
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 224 |         float_to_int!(f, f32, i64)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:546 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixsfti[0]) (const Unevaluated(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21] ...
[00:22:21] ...
[00:22:21] 229 |         float_to_int!(f, f32, i128)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:546 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixsfti[0]) (const Unevaluated(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:64
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 229 |         float_to_int!(f, f32, i128)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:547 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixdfsi[0]) (const Unevaluated(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:173:24
[00:22:21]     |
[00:22:21] 173 |         let sign_bit = <$fty>::SIGN_MASK;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 234 |         float_to_int!(f, f64, i32)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:547 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixdfsi[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:36
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 234 |         float_to_int!(f, f64, i32)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:547 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixdfsi[0]) (const Unevaluated(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:64
[00:22:21]     12m239 |         float_to_int!(f, f64, i64)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:548 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixdfdi[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:36
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 239 |         float_to_int!(f, f64, i64)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler errorGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 244 |         float_to_int!(f, f64, i128)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:549 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixdfti[0]) (const Unevaluated(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:64
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 244 |         float_to_int!(f, ustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:64
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 249 |         float_to_int!(f, f32, u32)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:551 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunssfdi[0]) (const Unevaluated(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:173:24
[00:22:21]     |
[00:22:21] 173 |         let sign_bit = <$fty>::SIGN_MASK;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 254 |         float_to_int!(f, f32, u64)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:551 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunssfdi[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:36
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 254 |         float_to_int!(f, f32, u64)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:551 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunssfdi[0]) (const Unevaluated(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:64
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 254 |         float_to_int!(f, f32, u64)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:552 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunssfti[0]) (const Unevaluated(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:173:24
[00:22:21]     |
[00:22:21] 173 |         let sign_bit = <$fty>::SIGN_MASK;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 259 |         float_to_int!(f, f32, u128)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:552 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunssfti[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:36
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 259 |         float_to_int!(f, f32, u128)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:552 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunssfti[0]) (const Unevaluated(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:64
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 259 |         float_to_int!(f, f32, u128)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:553 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunsdfsi[0]) (const Unevaluated(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:173:24
[00:22:21]     |
[00:22:21] 173 |         let sign_bit = <$fty>::SIGN_MASK;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 264 |         float_to_int!(f, f64, u32)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:553 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunsdfsi[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:36
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 264 |         float_to_int!(f, f64, u32)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:553 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunsdfsi[0]) (const Unevaluated(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), Canonical { variables: [], value: Use        let sign_bit = <$fty>::SIGN_MASK;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 269 |         float_to_int!(f, f64, u64)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:554 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunsdfdi[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:36
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 269 |         float_to_int!(f, f64, u64)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:554 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunsdfdi[0]) (const Unevaluated(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:64
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 269 |         float_to_int!(f, f64, u64)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:555 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunsdfti[0]) (const Unevaluated(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:173:24
[00:22:21]     |
[00:22:21] 173 |         let sign_bit = <$fty>::SIGN_MASK;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 274 |         float_to_int!(f, f64, u128)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:555 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunsdfti[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:36
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 274 |         float_to_int!(f, f64, u128)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:555 ~ compiler_builtins[69d2]::float[0]::conv[0]::__fixunsdfti[0]) (const Unevaluated(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:198 ~ compiler_builtins[69d2]::float[0]::Float[0]::IMPLICIT_BIT[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/conv.rs:185:64
[00:22:21]     |
[00:22:21] 185 |         let significand = (a_abs & <$fty>::SIGNIFICAND_MASK) | <$fty>::IMPLICIT_BIT;
[00:22:21] ...
[00:22:21] ...
[00:22:21] 274 |         float_to_int!(f, f64, u128)
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:578 ~ compiler_builtins[69d2]::float[0]::sub[0]::__subsf3[0]) (const Unevaluated(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]  --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/sub.rs:8:47
[00:22:21]   |
[00:22:21] 8 |         __addsf3(a, f32::from_repr(b.repr() ^ f32::SIGN_MASK))
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:579 ~ compiler_builtins[69d2]::float[0]::sub[0]::__subdf3[0]) (const Unevaluated(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]   --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/sub.rs:13:47
[00:22:21]    |
[00:22:21] 13 |         __adddf3(a, f64::from_repr(b.repr() ^ f64::SIGN_MASK))
[00:22:21] 
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:595 ~ compiler_builtins[69d2]::float[0]::{{impl}}[0]::EXPONENT_MASK[0]) (const Unevaluated(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:196 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGN_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/mod.rs:101:48
[00:22:21]     |
[00:22:21] 101 |             const EXPONENT_MASK: Self::Int = !(Self::SIGN_MASK | Self::SIGNIFICAND_MASK);
[00:22:21] ...
[00:22:21] ...
[00:22:21] 134 | float_impl!(f32, u32, i32, 32, 23);
[00:22:21]     | ----------------------------------- in this macro invocation
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:595 ~ compiler_builtins[69d2]::float[0]::{{impl}}[0]::EXPONENT_MASK[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/mod.rs:101:66
[00:22:21]     |
[00:22:21] 101 |             const EXPONENT_MASK: Self::Int = !(Self::SIGN_MASK | Self::SIGNIFICAND_MASK);
[00:22:21] ...
[00:22:21] ...
[00:22:21] 134 | float_impl!(f32, u32, i32, 32, 23);
[00:22:21]     | ----------------------------------- onstant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/mod.rs:101:66
[00:22:21]     |
[00:22:21] 101 |             const EXPONENT_MASK: Self::Int = !(Self::SIGN_MASK | Self::SIGNIFICAND_MASK);
[00:22:21] ...
[00:22:21] ...
[00:22:21] 135 | float_impl!(f64, u64, i64, 64, 52);
[00:22:21]     | ----------------------------------- in this macro invocation
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:599 ~ compiler_builtins[69d2]::float[0]::{{impl}}[0]::from_parts[0]) (const Unevaluated(DefId(0/0:199 ~ compiler_builtins[69d2]::float[0]::Float[0]::EXPONENT_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:199 ~ compiler_builtins[69d2]::float[0]::Float[0]::EXPONENT_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/mod.rs:122:61
[00:22:21]     |
[00:22:21] 122 |                     ((exponent << Self::SIGNIFICAND_BITS) & Self::EXPONENT_MASK) |
[00:22:21] ...
[00:22:21] ...
[00:22:21] 134 | float_impl!(f32, u32, i32, 32, 23);
[00:22:21]     | ----------------------------------- in this macro invocation
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:599 ~ compiler_builtins[69d2]::float[0]::{{impl}}[0]::from_parts[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f32]):u32): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f32], user_self_ty: None } }) vs u32: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/mod.rs:123:36
[00:22:21]     |
[00:22:21] 123 |                     (significand & Self::SIGNIFICAND_MASK))
[00:22:21]     |                                    n this macro invocation
[00:22:21] 
[00:22:21] error: internal compiler error: broken MIR in DefId(0/0:615 ~ compiler_builtins[69d2]::float[0]::{{impl}}[1]::from_parts[0]) (const Unevaluated(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), [f64]):u64): bad constant user type TypeOf(DefId(0/0:197 ~ compiler_builtins[69d2]::float[0]::Float[0]::SIGNIFICAND_MASK[0]), Canonical { variables: [], value: UserSubsts { substs: [f64], user_self_ty: None } }) vs u64: NoSolution
[00:22:21]    --> rustc/compiler_builtins_shim/../../libcompiler_builtins/src/float/mod.rs:123:36
[00:22:21]     |
[00:22:21] 123 |                     (significand & Self::SIGNIFICAND_MASK))
[00:22:21] ...
[00:22:21] ...
[00:22:21] 135 | float_impl!(f64, u64, i64, 64, 52);
[00:22:21]     | ----------------------------------- in this macro invocation
[00:22:21] 
[00:22:21] thread 'main' panicked at 'no errors encountered even though `delay_span_bug` issued', librustc_errors/lib.rs:334:17
[00:22:21] 
[00:22:21] error: internal compiler error: unexpected panic
[00:22:21] 
[00:22:21] note: the compiler unexpectedly p

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nikomatsakis · 2018-10-17T19:01:21Z

OK, works now.

nikomatsakis · 2018-10-17T19:01:31Z

Well, famous last words. =)

pnkfelix · 2018-10-17T19:22:50Z

@bors r+

bors · 2018-10-17T19:22:51Z

📌 Commit 35e2f72603f25c64640bc3fd52c39f12572438ac has been approved by pnkfelix

rust-highfive · 2018-10-17T19:31:55Z

The job x86_64-gnu-llvm-5.0 of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.


[00:03:58] travis_fold:start:tidy
travis_time:start:tidy
tidy check
[00:03:58] tidy error: /checkout/src/librustc_mir/borrow_check/nll/type_check/mod.rs:1040: line longer than 100 chars
[00:03:59] some tidy checks failed
[00:03:59] 
[00:03:59] 
[00:03:59] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/tidy" "/checkout/src" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "--no-vendor" "--quiet"
[00:03:59] 
[00:03:59] 
[00:03:59] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test src/tools/tidy
[00:03:59] Build completed unsuccessfully in 0:00:47
[00:03:59] Build completed unsuccessfully in 0:00:47
[00:03:59] make: *** [tidy] Error 1
[00:03:59] Makefile:79: recipe for target 'tidy' failed

The command "stamp sh -x -c "$RUN_SCRIPT"" exited with 2.
travis_time:start:123090be
$ date && (curl -fs --head https://google.com | grep ^Date: | sed 's/Date: //g' || true)
---
travis_time:end:2334fd00:start=1539804237265387512,finish=1539804237270303787,duration=4916275
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:017cf0df
$ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb --batch -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:04f27be2
travis_time:start:04f27be2
$ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true
cat: ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers: No such file or directory
travis_fold:end:after_failure.5
travis_fold:start:after_failure.6
travis_time:start:12102b22
$ dmesg | grep -i kill

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

nikomatsakis · 2018-10-17T20:41:59Z

@pnkfelix I threw some more commits in here, fixing up cast expressions (#54332)

nikomatsakis · 2018-10-17T21:47:19Z

OK so this had some fallout on diagnostics -- I think because we are proving some things multiple times? We can probably find a way to suppress the duplicates.

The constant errors I am less sure how to fix (cc @oli-obk @RalfJung). The underlying problem is that with a cast like X as usize we will now sometimes generate temporaries like:

T1 = X
AscribeUserType(T1, usize)

Perhaps the best fix would be to do this ascription less often, actually. For example, if there are no regions in type we are casting to, we don't have to preserve the user-supplied type (NLL doesn't care).

nikomatsakis · 2018-10-17T23:04:08Z

OK, I pushed a workaround and fixed some other bugs -- there is one FIXME I am still pondering, about what we prove WF for, but this PR is strictly better than the status quo and (I think) probably fine as is. The remaining potential bug (that I know of) probably exists without NLL and is really about normalization and hence more the domain of #54940.

bors · 2018-10-18T02:01:34Z

☔ The latest upstream changes (presumably #55134) made this pull request unmergeable. Please resolve the merge conflicts.

RalfJung · 2018-10-18T06:37:04Z

The constant errors I am less sure how to fix

Which errors are you referring to?

The underlying problem is that with a cast like X as usize we will now sometimes generate temporaries

What is the type of X in this example?

nikomatsakis · 2018-10-19T13:36:42Z

@bors r=pnkfelix

bors · 2018-10-19T13:36:43Z

📌 Commit 9a7bb0e has been approved by pnkfelix

bors · 2018-10-19T16:19:54Z

⌛ Testing commit 9a7bb0e with merge b0a8a62621e2de5dcd45cace048ea63cde950c56...

bors · 2018-10-19T17:56:22Z

💔 Test failed - status-travis

rust-highfive · 2018-10-19T17:56:23Z

The job dist-powerpc-linux of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

uploading "b0a8a62621e2de5dcd45cace048ea63cde950c56/rustfmt-nightly-powerpc-unknown-linux-gnu.tar.gz" with {:content_type=>"application/gzip", :acl=>"public-read"}
uploading "b0a8a62621e2de5dcd45cace048ea63cde950c56/rust-src-nightly.tar.gz" with {:content_type=>"application/gzip", :acl=>"public-read"}uploading "b0a8a62621e2de5dcd45cace048ea63cde950c56/rust-std-nightly-powerpc-unknown-linux-gnu.tar.gz" with {:content_type=>"application/gzip", :acl=>"public-read"}
uploading "b0a8a62621e2de5dcd45cace048ea63cde950c56/rustc-nightly-powerpc-unknown-linux-gnu.tar.xz" with {:content_type=>"application/x-xz", :acl=>"public-read"}
travis_fold:end:dpl.3
/home/travis/.rvm/gems/ruby-2.2.7/gems/aws-sdk-resources-2.11.153/lib/aws-sdk-resources/services/s3/multipart_file_uploader.rb:81:in `abort_upload': multipart upload failed: end of file reached; end of file reached; We encountered an internal error. Please try again.; end of file reached; end of file reached; end of file reached; end of file reached; end of file reached; end of file reached; end of file reached (Aws::S3::MultipartUploadError)
 from /home/travis/.rvm/gems/ruby-2.2.7/gems/aws-sdk-resources-2.11.153/lib/aws-sdk-resources/services/s3/multipart_file_uploader.rb:70:in `upload_parts'
 from /home/travis/.rvm/gems/ruby-2.2.7/gems/aws-sdk-resources-2.11.153/lib/aws-sdk-resources/services/s3/multipart_file_uploader.rb:44:in `upload'
 from /home/travis/.rvm/gems/ruby-2.2.7/gems/aws-sdk-resources-2.11.153/lib/aws-sdk-resources/services/s3/file_uploader.rb:32:in `upload'
 from /home/travis/.rvm/gems/ruby-2.2.7/gems/aws-sdk-resources-2.11.153/lib/aws-sdk-resources/services/s3/object.rb:252:in `upload_file'
 from /home/travis/.rvm/gems/ruby-2.2.7/gems/dpl-s3-1.10.3/lib/dpl/provider/s3.rb:114:in `block (2 levels) in upload_multithreaded'
failed to deploy

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

nikomatsakis · 2018-10-19T19:28:48Z

@bors retry

nikomatsakis · 2018-10-19T19:29:12Z

cc @rust-lang/infra — looks like a network error or something — am I supposed to catalog this in some way?

bors · 2018-10-19T20:20:18Z

⌛ Testing commit 9a7bb0e with merge 78ff609...

@pnkfelix

…stants, r=pnkfelix support type annot in constants, casts Fixes #54571 Fixes #54332 Fixes #55183 r? @pnkfelix

bors · 2018-10-19T22:54:08Z

☀️ Test successful - status-appveyor, status-travis
Approved by: pnkfelix
Pushing 78ff609 to master...

kennytm · 2018-10-20T05:58:28Z

@nikomatsakis Yes it's a network error and we've recorded this down. There was an outage in S3 in the US-WEST-1 region around 2018-10-19 17~18 UTC causing this error. Error in deployment is basically always spurious and unfortunately something out of our control.

nikomatsakis · 2018-10-20T09:23:58Z

@kennytm great thanks — I mostly want to know if there are steps I should be taking beyond @bors retry

rust-highfive assigned pnkfelix Oct 17, 2018

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nll: respect user type annotations with constants in expressions #54571

Closed

nikomatsakis force-pushed the nll-issue-54571-type-annot-in-constants branch from 8920925 to bc1f493 Compare October 17, 2018 15:34

nikomatsakis force-pushed the nll-issue-54571-type-annot-in-constants branch from bc1f493 to 35e2f72 Compare October 17, 2018 19:01

nikomatsakis changed the title ~~[WIP] support type annot in constants~~ support type annot in constants Oct 17, 2018

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Wrap cast expressions inside of ValueTypeAscription #54938

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nikomatsakis force-pushed the nll-issue-54571-type-annot-in-constants branch from a464340 to d99fb09 Compare October 17, 2018 21:45

nikomatsakis changed the title ~~support type annot in constants~~ support type annot in constants, casts Oct 17, 2018

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nikomatsakis added 5 commits October 19, 2018 09:34

region_infer/mod.rs: rustfmt

061c9a2

add useful debug log

820c265

add a test that we enforce 'static errors post normalization

16b3ea1

even though we don't need it yet, fix the "fast path" code

f5cc7db

normalize the self-type that we extract from impl

9a7bb0e

nikomatsakis force-pushed the nll-issue-54571-type-annot-in-constants branch from d6f967b to 9a7bb0e Compare October 19, 2018 13:34

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Oct 19, 2018

bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Oct 19, 2018

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Oct 19, 2018

bors added a commit that referenced this pull request Oct 19, 2018

Auto merge of #55152 - nikomatsakis:nll-issue-54571-type-annot-in-con…

78ff609

…stants, r=pnkfelix support type annot in constants, casts Fixes #54571 Fixes #54332 Fixes #55183 r? @pnkfelix

matthewjasper mentioned this pull request Oct 19, 2018

nalgebra generates tens of "bad constant user type" errors #55210

Closed

bors merged commit 9a7bb0e into rust-lang:master Oct 19, 2018

bors mentioned this pull request Oct 19, 2018

Report const eval error inside the query #53821

Merged

jebrosen mentioned this pull request Oct 20, 2018

ICE when accessing an associated constant of a generic impl #55219

Closed

SimonSapin mentioned this pull request Oct 22, 2018

ICE 'allocation missing in dead_alloc_map' in rustc_mir::interpret when compiling Servo #55223

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support type annot in constants, casts #55152

support type annot in constants, casts #55152

nikomatsakis commented Oct 17, 2018 •

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nikomatsakis commented Oct 20, 2018

support type annot in constants, casts #55152

support type annot in constants, casts #55152

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