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Never inline C variadic functions

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This commit is contained in:
Tomasz Miąsko 2020-11-11 00:00:00 +00:00
parent 66cadec176
commit 79d853ecce
2 changed files with 23 additions and 0 deletions
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5
compiler/rustc_mir/src/transform/inline.rs
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@ -206,6 +206,11 @@ impl Inliner<'tcx> {
debug!("should_inline({:?})", callsite);
let tcx = self.tcx;
if callsite.fn_sig.c_variadic() {
debug!("callee is variadic - not inlining");
return false;
}
let codegen_fn_attrs = tcx.codegen_fn_attrs(callsite.callee.def_id());
let self_features = &self.codegen_fn_attrs.target_features;