Rollup of 5 pull requests #63174

Centril · 2019-07-31T20:38:17Z

Successful merges:

Miri: dispatch first on the type #62946 (Miri: dispatch first on the type)
Add keywords item into the sidebar #62971 (Add keywords item into the sidebar)
Account for maybe_whole_expr in range patterns #63122 (Account for maybe_whole_expr in range patterns)
Remove redundant method with const variable resolution #63153 (Remove redundant method with const variable resolution)
cleanup StringReader fields #63170 (cleanup StringReader fields)

Failed merges:

…en dispatching further; call ptr_op machine hook only for pointer types

…ue second

Co-Authored-By: Mazdak Farrokhzad <twingoow@gmail.com>

…r=oli-obk Miri: dispatch first on the type Based on the fact that Miri now always has intptrcast available, we can change binops and casts to first check the type of the source operand and then decide based on that what to do, instead of considering the value (pointer vs bits) first.

@pravic

…obody Add keywords item into the sidebar Fixes rust-lang#62939. cc @pravic screenshot of the result: ![Screenshot from 2019-07-25 14-29-48](https://user-images.githubusercontent.com/3050060/61874545-f9512080-aee8-11e9-8e8b-aa50216aec94.png) r? @QuietMisdreavus

@petrochenkov

Account for `maybe_whole_expr` in range patterns Fixes rust-lang#63115 (fallout from rust-lang#62550). r? @petrochenkov

…cramertj Remove redundant method with const variable resolution I've also removed a `bug!()` in const value relation code and replaced it with a `FIXME`. Now `ConstValue::Slice` and `ConstValue::ByRef` will simply fail to unify rather than ICEing, which seems more user-friendly for testers.

@petrochenkov

cleanup StringReader fields reduce visibility and replace `Lrc<SourceFile>` with `start_pos`: the single bit we actually *need* from the file. r? @petrochenkov

Centril · 2019-07-31T20:38:48Z

@bors r+ p=5 rollup=never

bors · 2019-07-31T20:38:50Z

📌 Commit dff0ba1 has been approved by Centril

rust-highfive · 2019-07-31T21:47:19Z

The job x86_64-gnu-llvm-6.0 of your PR failed (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.

2019-07-31T20:39:01.3877161Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-07-31T20:39:01.4062705Z ##[command]git config gc.auto 0
2019-07-31T20:39:01.4130694Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-07-31T20:39:01.4181920Z ##[command]git config --get-all http.proxy
2019-07-31T20:39:01.4327277Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/63174/merge:refs/remotes/pull/63174/merge
---
2019-07-31T20:39:38.4692191Z do so (now or later) by using -b with the checkout command again. Example:
2019-07-31T20:39:38.4692237Z 
2019-07-31T20:39:38.4692404Z   git checkout -b <new-branch-name>
2019-07-31T20:39:38.4692428Z 
2019-07-31T20:39:38.4692466Z HEAD is now at 68b53628c Merge dff0ba1228c90471713f00fb46e3d79666f20d96 into e3976fff44e6ce14c2f92252e6a807800b9aa7c0
2019-07-31T20:39:38.4842667Z ##[section]Starting: Collect CPU-usage statistics in the background
2019-07-31T20:39:38.4845009Z ==============================================================================
2019-07-31T20:39:38.4845055Z Task         : Bash
2019-07-31T20:39:38.4845092Z Description  : Run a Bash script on macOS, Linux, or Windows
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---
2019-07-31T21:46:59.9379415Z 
2019-07-31T21:46:59.9379811Z ---- [ui] ui/consts/issue-51559.rs stdout ----
2019-07-31T21:46:59.9379856Z diff of stderr:
2019-07-31T21:46:59.9379881Z 
2019-07-31T21:46:59.9380102Z - error[E0080]: it is undefined behavior to use this value
2019-07-31T21:46:59.9380299Z -   --> $DIR/issue-51559.rs:4:1
2019-07-31T21:46:59.9380341Z + error: any use of this value will cause an error
2019-07-31T21:46:59.9380503Z +   --> $DIR/issue-51559.rs:4:33
2019-07-31T21:46:59.9380561Z 3    |
2019-07-31T21:46:59.9380598Z 4 LL | pub const FOO: usize = unsafe { BAR as usize };
2019-07-31T21:46:59.9380848Z -    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a pointer, but expected initialized plain (non-pointer) bytes
2019-07-31T21:46:59.9381061Z +    | --------------------------------^^^^^^^^^^^^---
2019-07-31T21:46:59.9381103Z +    |                                 |
2019-07-31T21:46:59.9381326Z +    |                                 "pointer-to-integer cast" needs an rfc before being allowed inside constants
2019-07-31T21:46:59.9381385Z 6    |
2019-07-31T21:46:59.9381689Z -    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rust compiler repository if you believe it should not be considered undefined behavior
2019-07-31T21:46:59.9381972Z 8 
2019-07-31T21:46:59.9382007Z 9 error: aborting due to previous error
2019-07-31T21:46:59.9382040Z 10 
2019-07-31T21:46:59.9382063Z 
2019-07-31T21:46:59.9382063Z 
2019-07-31T21:46:59.9382323Z - For more information about this error, try `rustc --explain E0080`.
2019-07-31T21:46:59.9382362Z 12 
2019-07-31T21:46:59.9382384Z 
2019-07-31T21:46:59.9382404Z 
2019-07-31T21:46:59.9382552Z The actual stderr differed from the expected stderr.
2019-07-31T21:46:59.9382825Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/consts/issue-51559/issue-51559.stderr
2019-07-31T21:46:59.9383016Z To update references, rerun the tests and pass the `--bless` flag
2019-07-31T21:46:59.9383239Z To only update this specific test, also pass `--test-args consts/issue-51559.rs`
2019-07-31T21:46:59.9383313Z error: 1 errors occurred comparing output.
2019-07-31T21:46:59.9383368Z status: exit code: 1
2019-07-31T21:46:59.9383368Z status: exit code: 1
2019-07-31T21:46:59.9383939Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/consts/issue-51559.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/consts/issue-51559" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/consts/issue-51559/auxiliary" "-A" "unused"
2019-07-31T21:46:59.9384204Z ------------------------------------------
2019-07-31T21:46:59.9384232Z 
2019-07-31T21:46:59.9384399Z ------------------------------------------
2019-07-31T21:46:59.9384455Z stderr:
2019-07-31T21:46:59.9384455Z stderr:
2019-07-31T21:46:59.9384619Z ------------------------------------------
2019-07-31T21:46:59.9384669Z error: any use of this value will cause an error
2019-07-31T21:46:59.9384870Z   --> /checkout/src/test/ui/consts/issue-51559.rs:4:33
2019-07-31T21:46:59.9384909Z    |
2019-07-31T21:46:59.9384946Z LL | pub const FOO: usize = unsafe { BAR as usize };
2019-07-31T21:46:59.9385142Z    | --------------------------------^^^^^^^^^^^^---
2019-07-31T21:46:59.9385183Z    |                                 |
2019-07-31T21:46:59.9385688Z    |                                 "pointer-to-integer cast" needs an rfc before being allowed inside constants
2019-07-31T21:46:59.9385827Z    = note: `#[deny(const_err)]` on by default
2019-07-31T21:46:59.9385857Z 
2019-07-31T21:46:59.9385900Z error: aborting due to previous error
2019-07-31T21:46:59.9385947Z 
---
2019-07-31T21:46:59.9416719Z thread 'main' panicked at 'Some tests failed', src/tools/compiletest/src/main.rs:533:22
2019-07-31T21:46:59.9416832Z note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
2019-07-31T21:46:59.9430642Z 
2019-07-31T21:46:59.9430711Z 
2019-07-31T21:46:59.9436638Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/compiletest" "--compile-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib" "--run-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "--rustc-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "--src-base" "/checkout/src/test/ui" "--build-base" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui" "--stage-id" "stage2-x86_64-unknown-linux-gnu" "--mode" "ui" "--target" "x86_64-unknown-linux-gnu" "--host" "x86_64-unknown-linux-gnu" "--llvm-filecheck" "/usr/lib/llvm-6.0/bin/FileCheck" "--host-rustcflags" "-Crpath -O -Cdebuginfo=0 -Zunstable-options  -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--target-rustcflags" "-Crpath -O -Cdebuginfo=0 -Zunstable-options  -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--docck-python" "/usr/bin/python2.7" "--lldb-python" "/usr/bin/python2.7" "--gdb" "/usr/bin/gdb" "--quiet" "--llvm-version" "6.0.0\n" "--system-llvm" "--cc" "" "--cxx" "" "--cflags" "" "--llvm-components" "" "--llvm-cxxflags" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--color" "always"
2019-07-31T21:46:59.9436994Z 
2019-07-31T21:46:59.9437027Z 
2019-07-31T21:46:59.9448182Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test
2019-07-31T21:46:59.9448279Z Build completed unsuccessfully in 1:00:59
2019-07-31T21:46:59.9448279Z Build completed unsuccessfully in 1:00:59
2019-07-31T21:47:00.6159807Z ##[error]Bash exited with code '1'.
2019-07-31T21:47:00.6192056Z ##[section]Starting: Checkout
2019-07-31T21:47:00.6193547Z ==============================================================================
2019-07-31T21:47:00.6193590Z Task         : Get sources
2019-07-31T21:47:00.6193646Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.

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)

RalfJung and others added 22 commits July 24, 2019 22:49

cast: no need to catch errors any more, force_bits should succeed

6bd7e16

operator: implement binary_op strictly by first checking the type, th…

305eadb

…en dispatching further; call ptr_op machine hook only for pointer types

turn cast_immediate into its own function

6946b14

refactor cast_immediate to dispatch on the type first, and on the val…

f92c3a3

…ue second

use From to convert scalars to immediates

8debe64

fix casts from fat pointers

8713a7b

improve error when CTFE does ptr-int-cast; update tests

8890624

get rid of some remaining type-based dispatching in cast code

3cd4079

add is_any_ptr type test; this also helps pacify tidy

2bebfd3

trailing full stops

1f57eb0

Co-Authored-By: Mazdak Farrokhzad <twingoow@gmail.com>

bless all the things

0ba2e80

const_prop no longer does ptr-to-int casts

d7b9bbf

Add keywords item into the sidebar

08a8de8

Account for maybe_whole_expr in range patterns.

f3a3290

Remove redundant method with const variable resolution

87e73c1

cleanup StringReader fields

3f461f5

Address review comments.

6551285

Rollup merge of rust-lang#63122 - Centril:fix-63115, r=petrochenkov

724146e

Account for `maybe_whole_expr` in range patterns Fixes rust-lang#63115 (fallout from rust-lang#62550). r? @petrochenkov

Rollup merge of rust-lang#63170 - matklad:cleanup-fields, r=petrochenkov

dff0ba1

cleanup StringReader fields reduce visibility and replace `Lrc<SourceFile>` with `start_pos`: the single bit we actually *need* from the file. r? @petrochenkov

bors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Jul 31, 2019

Centril mentioned this pull request Jul 31, 2019

Miri: dispatch first on the type #62946

Merged

Centril closed this Jul 31, 2019

Centril deleted the rollup-ghywapv branch July 31, 2019 21:53

Centril added the rollup A PR which is a rollup label Oct 24, 2019

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Rollup of 5 pull requests #63174

Rollup of 5 pull requests #63174

Centril commented Jul 31, 2019

Centril commented Jul 31, 2019

bors commented Jul 31, 2019

rust-highfive commented Jul 31, 2019

Rollup of 5 pull requests #63174

Rollup of 5 pull requests #63174

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Centril commented Jul 31, 2019

Centril commented Jul 31, 2019

bors commented Jul 31, 2019

rust-highfive commented Jul 31, 2019