bjoernager/rust
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Put checks that detect UB under their own flag below debug_assertions

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This commit is contained in:
Ben Kimock 2024-04-03 08:54:03 -04:00
parent 83d0a940c6
commit a7912cb421
42 changed files with 206 additions and 64 deletions
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2
compiler/rustc_mir_transform/src/check_alignment.rs
View file

@ -16,7 +16,7 @@ impl<'tcx> MirPass<'tcx> for CheckAlignment {
if sess.target.llvm_target == "i686-pc-windows-msvc" {
return false;
}
sess.opts.debug_assertions
sess.ub_checks()
}
fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {

2
compiler/rustc_mir_transform/src/instsimplify.rs
View file

@ -149,7 +149,7 @@ impl<'tcx> InstSimplifyContext<'tcx, '_> {
fn simplify_ub_check(&self, source_info: &SourceInfo, rvalue: &mut Rvalue<'tcx>) {
if let Rvalue::NullaryOp(NullOp::UbChecks, _) = *rvalue {
let const_ = Const::from_bool(self.tcx, self.tcx.sess.opts.debug_assertions);
let const_ = Const::from_bool(self.tcx, self.tcx.sess.ub_checks());
let constant = ConstOperand { span: source_info.span, const_, user_ty: None };
*rvalue = Rvalue::Use(Operand::Constant(Box::new(constant)));
}