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rustc asserts on extern fn main() {} #6451

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bstrie opened this issue May 13, 2013 · 1 comment
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rustc asserts on extern fn main() {} #6451

bstrie opened this issue May 13, 2013 · 1 comment
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A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.

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@bstrie
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bstrie commented May 13, 2013

A file with nothing but extern fn main() {} gives this:

rustc: /media/linhaus/rust/src/llvm/lib/IR/Instructions.cpp:276: void llvm::CallInst::init(llvm::Value*, llvm::ArrayRef<llvm::Value*>, const llvm::Twine&): Assertion `(Args.size() == FTy->getNumParams() || (FTy->isVarArg() && Args.size() > FTy->getNumParams())) && "Calling a function with bad signature!"' failed.
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@bstrie bstrie mentioned this issue May 13, 2013
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@alexcrichton alexcrichton mentioned this issue Jul 8, 2013
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Closed in 31114ac

flip1995 pushed a commit to flip1995/rust that referenced this issue Dec 20, 2020
@bors
Auto merge of rust-lang#6451 - giraffate:update_contributing_md, r=ll…
5b03834 
…ogiq

Fix links in CONTRIBUTING.md

Links is broken.

<img width="1219" alt="スクリーンショット 2020-12-14 11 58 19" src="https://user-images.githubusercontent.com/17407489/102035564-fc152400-3e03-11eb-91a7-6c04e120d72f.png">

changelog: none
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A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.
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Disallow 'extern' on main/start functions alexcrichton/rust
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@alexcrichton @bstrie