bjoernager/rust
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when terminating during unwinding, show the reason why

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This commit is contained in:
Ralf Jung 2023-08-21 09:57:10 +02:00
parent 0b31792ef1
commit 4c53783f3c
88 changed files with 380 additions and 278 deletions
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32
compiler/rustc_monomorphize/src/collector.rs
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@ -737,6 +737,13 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirUsedCollector<'a, 'tcx> {
let source = self.body.source_info(location).span;
let tcx = self.tcx;
let push_mono_lang_item = |this: &mut Self, lang_item: LangItem| {
let instance = Instance::mono(tcx, tcx.require_lang_item(lang_item, Some(source)));
if should_codegen_locally(tcx, &instance) {
this.output.push(create_fn_mono_item(tcx, instance, source));
}
};
match terminator.kind {
mir::TerminatorKind::Call { ref func, .. } => {
let callee_ty = func.ty(self.body, tcx);
@ -771,19 +778,10 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirUsedCollector<'a, 'tcx> {
mir::AssertKind::BoundsCheck { .. } => LangItem::PanicBoundsCheck,
_ => LangItem::Panic,
};
let instance = Instance::mono(tcx, tcx.require_lang_item(lang_item, Some(source)));
if should_codegen_locally(tcx, &instance) {
self.output.push(create_fn_mono_item(tcx, instance, source));
}
push_mono_lang_item(self, lang_item);
}
mir::TerminatorKind::UnwindTerminate { .. } => {
let instance = Instance::mono(
tcx,
tcx.require_lang_item(LangItem::PanicCannotUnwind, Some(source)),
);
if should_codegen_locally(tcx, &instance) {
self.output.push(create_fn_mono_item(tcx, instance, source));
}
mir::TerminatorKind::UnwindTerminate(reason) => {
push_mono_lang_item(self, reason.lang_item());
}
mir::TerminatorKind::Goto { .. }
| mir::TerminatorKind::SwitchInt { .. }
@ -796,14 +794,8 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirUsedCollector<'a, 'tcx> {
| mir::TerminatorKind::FalseUnwind { .. } => bug!(),
}
if let Some(mir::UnwindAction::Terminate) = terminator.unwind() {
let instance = Instance::mono(
tcx,
tcx.require_lang_item(LangItem::PanicCannotUnwind, Some(source)),
);
if should_codegen_locally(tcx, &instance) {
self.output.push(create_fn_mono_item(tcx, instance, source));
}
if let Some(mir::UnwindAction::Terminate(reason)) = terminator.unwind() {
push_mono_lang_item(self, reason.lang_item());
}
self.super_terminator(terminator, location);