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Gracefully handle member access on a runtime type value (#7744)

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Avoid CHECK failure when performing member access on a runtime type
value. We will just fail to find the CanonicalFacetOrTypeValue and then
fail lookup.
This commit is contained in:
Dana Jansens
2026-09-09 23:05:48 +00:00
committed by GitHub
parent 431e349757
commit 2aeecef17a
2 changed files with 34 additions and 3 deletions
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toolchain/check/type.cpp
+8 -3
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@@ -304,10 +304,15 @@ auto GetCanonicalFacetOrTypeValue(Context& context, SemIR::ConstantId const_id)
auto TryGetCanonicalFacetValue(Context& context, SemIR::InstId inst_id)
-> SemIR::InstId {
if (context.insts().Get(inst_id).type_id() == SemIR::TypeType::TypeId) {
return GetCanonicalFacetOrTypeValue(context, inst_id);
if (context.insts().Get(inst_id).type_id() != SemIR::TypeType::TypeId) {
return SemIR::InstId::None;
}
return SemIR::InstId::None;
auto const_id = context.constant_values().Get(inst_id);
if (!const_id.is_constant()) {
return SemIR::InstId::None;
}
return context.constant_values().GetInstId(
GetCanonicalFacetOrTypeValue(context, const_id));
}
} // namespace Carbon::Check