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LLVM assert with classes, regions and slices #2748

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brson opened this issue Jun 29, 2012 · 1 comment
Closed

LLVM assert with classes, regions and slices #2748

brson opened this issue Jun 29, 2012 · 1 comment
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A-codegen Area: Code generation A-lifetimes Area: Lifetimes / regions I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.
Milestone
0.4

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@brson
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brson commented Jun 29, 2012 

class CMap/& {
    let buf: [u8]/&;

    new(buf: [u8]/&) {
        self.buf = buf;
    }
}

fn main() { }

rustc: /home/banderson/Dev/rust2/src/llvm/lib/VMCore/Instructions.cpp:1056: void llvm::StoreInst::AssertOK(): Assertion `getOperand(0)->getType() == cast<PointerType>(getOperand(1)->getType())->getElementType() && "Ptr must be a pointer to Val type!"' failed.
@ghost ghost assigned catamorphism Jun 29, 2012
@msullivan
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Same assert with:

fn thing(x: &[int]) -> &[int] { x }
fn main() { }

@ghost ghost assigned msullivan Jul 5, 2012
Aaron1011 pushed a commit to Aaron1011/rust that referenced this issue Jan 6, 2023
@bors
Auto merge of rust-lang#2748 - Aaron1011:wasm32-support, r=RalfJung
5f5c75d 
Ignore symbol shim clash when symbol is provided by compiler_builtins

When this happens, we ignore the symbol from `compiler_builtins`
in favor of Miri's builtin support.

This allows Miri to target platforms like wasm32-unknown-unknown,
where functions like `memcmp` are provided by `compiler_builtins`.
RalfJung pushed a commit to RalfJung/rust that referenced this issue Jan 9, 2023
@bors
Auto merge of rust-lang#2748 - Aaron1011:wasm32-support, r=RalfJung
0f34039 
Ignore symbol shim clash when symbol is provided by compiler_builtins

When this happens, we ignore the symbol from `compiler_builtins`
in favor of Miri's builtin support.

This allows Miri to target platforms like wasm32-unknown-unknown,
where functions like `memcmp` are provided by `compiler_builtins`.
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Labels
A-codegen Area: Code generation A-lifetimes Area: Lifetimes / regions I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.
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Milestone
0.4
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@brson @msullivan @catamorphism