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Merge commit '1411a98352ba6bee8ba3b0131c9243e5db1e6a2e' into sync_cg_clif-2021-12-31

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bjorn3
2021-12-31 16:26:32 +01:00
parent e670844012 1411a98352
commit b799d6e0a5
18 changed files with 245 additions and 209 deletions
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3
compiler/rustc_codegen_gcc/src/base.rs
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@@ -81,7 +81,10 @@ pub fn compile_codegen_unit<'tcx>(tcx: TyCtxt<'tcx>, cgu_name: Symbol) -> (Modul
for arg in &tcx.sess.opts.cg.llvm_args {
context.add_command_line_option(arg);
}
// NOTE: an optimization (https://github.com/rust-lang/rustc_codegen_gcc/issues/53).
context.add_command_line_option("-fno-semantic-interposition");
// NOTE: Rust relies on LLVM not doing TBAA (https://github.com/rust-lang/unsafe-code-guidelines/issues/292).
context.add_command_line_option("-fno-strict-aliasing");
if env::var("CG_GCCJIT_DUMP_CODE").as_deref() == Ok("1") {
context.set_dump_code_on_compile(true);
}