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Fix tuple patterns matching expressions with atomic tuple form. (#5697)

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Fixes #5696.
This commit is contained in:
Richard Smith
2025-06-23 22:09:29 +00:00
committed by GitHub
parent ea227be0fe
commit b21d0c4210
2 changed files with 172 additions and 3 deletions
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toolchain/check/pattern_match.cpp
+3 -3
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@@ -553,11 +553,11 @@ auto MatchContext::DoEmitPatternMatch(Context& context,
auto tuple_type_id =
ExtractScrutineeType(context.sem_ir(), tuple_pattern.type_id);
auto converted_scrutinee =
auto converted_scrutinee_id =
ConvertToValueOrRefOfType(context, SemIR::LocId(pattern_inst_id),
entry.scrutinee_id, tuple_type_id);
if (auto scrutinee_value =
context.insts().TryGetAs<SemIR::TupleValue>(converted_scrutinee)) {
context.insts().TryGetAs<SemIR::TupleValue>(converted_scrutinee_id)) {
add_all_subscrutinees(
context.inst_blocks().Get(scrutinee_value->elements_id));
return;
@@ -573,7 +573,7 @@ auto MatchContext::DoEmitPatternMatch(Context& context,
subscrutinee_ids.push_back(
AddInst<SemIR::TupleAccess>(context, scrutinee.loc_id,
{.type_id = element_type_id,
.tuple_id = entry.scrutinee_id,
.tuple_id = converted_scrutinee_id,
.index = SemIR::ElementIndex(i)}));
}
add_all_subscrutinees(subscrutinee_ids);