bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Normalize generator-local types with unevaluated constants

Browse source
This commit is contained in:
Michael Goulet 2022-01-06 19:08:04 -08:00
parent cfa4ac66c1
commit d35b23ecd8
2 changed files with 32 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

10
compiler/rustc_mir_transform/src/generator.rs
View file

@ -726,9 +726,13 @@ fn sanitize_witness<'tcx>(
saved_locals: &GeneratorSavedLocals,
) {
let did = body.source.def_id();
let allowed_upvars = tcx.erase_regions(upvars);
let param_env = tcx.param_env(did);
let allowed_upvars = tcx.normalize_erasing_regions(param_env, upvars);
let allowed = match witness.kind() {
&ty::GeneratorWitness(s) => tcx.erase_late_bound_regions(s),
&ty::GeneratorWitness(interior_tys) => {
tcx.normalize_erasing_late_bound_regions(param_env, interior_tys)
}
_ => {
tcx.sess.delay_span_bug(
body.span,
@ -738,8 +742,6 @@ fn sanitize_witness<'tcx>(
}
};
let param_env = tcx.param_env(did);
for (local, decl) in body.local_decls.iter_enumerated() {
// Ignore locals which are internal or not saved between yields.
if !saved_locals.contains(local) || decl.internal {