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Disable strict aliasing (#104)

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antoyo 2021-10-25 17:48:15 -04:00 committed by GitHub
parent 863cfb2d63
commit 1d064f1741
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1 changed files with 3 additions and 0 deletions
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src/base.rs
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@ -77,7 +77,10 @@ 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);
}