bjoernager/rust
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fix type suggestions in match arms

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This commit is contained in:
Lukas Markeffsky 2023-03-25 22:27:24 +01:00
parent b72e896268
commit 08f3deb3d5
4 changed files with 34 additions and 2 deletions
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3
compiler/rustc_infer/src/infer/error_reporting/mod.rs
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@ -1942,7 +1942,8 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
escaped
}
let mut err = struct_span_err!(self.tcx.sess, span, E0308, "{}", failure_str);
if let Some((expected, found)) = trace.values.ty() {
let values = self.resolve_vars_if_possible(trace.values);
if let Some((expected, found)) = values.ty() {
match (expected.kind(), found.kind()) {
(ty::Tuple(_), ty::Tuple(_)) => {}
// If a tuple of length one was expected and the found expression has