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[clang][bytecode] Fix emitDestruction() for dummy descriptors #134665

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Merged
tbaederr merged 1 commit into from
Apr 8, 2025
+15 −0
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[clang][bytecode] Fix emitDestruction() for dummy descriptors #134665

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4 changes: 4 additions & 0 deletions clang/lib/AST/ByteCode/Compiler.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6800,6 +6800,10 @@ bool Compiler<Emitter>::emitDestruction(const Descriptor *Desc,
assert(!Desc->isPrimitive());
assert(!Desc->isPrimitiveArray());

// Can happen if the decl is invalid.
if (Desc->isDummy())
return true;

// Arrays.
if (Desc->isArray()) {
const Descriptor *ElemDesc = Desc->ElemDesc;
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11 changes: 11 additions & 0 deletions clang/test/AST/ByteCode/cxx17.cpp
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Expand Up @@ -125,3 +125,14 @@ namespace constant {
}
static_assert(f());
}


template <int a> struct i; // both-note {{template is declared here}}
template <> struct i<0> {};

template <int x> constexpr auto c() {
i<x> g; // both-error {{implicit instantiation of undefined template 'i<1>'}}
return 0;
}

auto y = c<1>(); // both-note {{in instantiation of function template specialization 'c<1>' requested here}}