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Rollup merge of #98998 - workingjubilee:naked-means-no-clothes-enforcement-technology, r=Amanieu

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Remove branch target prologues from `#[naked] fn`

This patch hacks around rust-lang/rust#98768 for now via injecting appropriate attributes into the LLVMIR we emit for naked functions. I intend to pursue this upstream so that these attributes can be removed in general, but it's slow going wading through C++ for me.
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Dylan DPC 2022-07-18 21:14:43 +05:30 • committed by GitHub
commit a027b01f33
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7 changed files with 56 additions and 1 deletions
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compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
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@ -176,6 +176,8 @@ static Attribute::AttrKind fromRust(LLVMRustAttribute Kind) {
return Attribute::NoAlias;
case NoCapture:
return Attribute::NoCapture;
case NoCfCheck:
return Attribute::NoCfCheck;
case NoInline:
return Attribute::NoInline;
case NonNull: