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interpret: do not prune requires_caller_location stack frames quite so early

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This commit is contained in:
Ralf Jung 2022-06-26 14:42:26 -04:00
parent 1aabd8a4a6
commit 852a111133
3 changed files with 13 additions and 18 deletions
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17
compiler/rustc_const_eval/src/interpret/eval_context.rs
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@ -428,11 +428,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
#[inline(always)]
pub fn cur_span(&self) -> Span {
self.stack()
.iter()
.rev()
.find(|frame| !frame.instance.def.requires_caller_location(*self.tcx))
.map_or(self.tcx.span, |f| f.current_span())
// This deliberately does *not* honor `requires_caller_location` since it is used for much
// more than just panics.
self.stack().last().map_or(self.tcx.span, |f| f.current_span())
}
#[inline(always)]
@ -939,12 +937,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
#[must_use]
pub fn generate_stacktrace(&self) -> Vec<FrameInfo<'tcx>> {
let mut frames = Vec::new();
for frame in self
.stack()
.iter()
.rev()
.skip_while(|frame| frame.instance.def.requires_caller_location(*self.tcx))
{
// This deliberately does *not* honor `requires_caller_location` since it is used for much
// more than just panics.
for frame in self.stack().iter().rev() {
let lint_root = frame.current_source_info().and_then(|source_info| {
match &frame.body.source_scopes[source_info.scope].local_data {
mir::ClearCrossCrate::Set(data) => Some(data.lint_root),