================
@@ -971,9 +971,12 @@ static const Expr
*SubstituteConstraintExpressionWithoutSatisfaction(
// this may happen while we're comparing two templates' constraint
// equivalence.
LocalInstantiationScope ScopeForParameters(S);
- if (auto *FD = DeclInfo.getDecl()->getAsFunction())
- for (auto *PVD : FD->parameters())
- ScopeForParameters.InstantiatedLocal(PVD, PVD);
+ if (const NamedDecl *D = DeclInfo.getDecl()) {
+ const FunctionDecl *FD = D->getAsFunction();
----------------
zyn0217 wrote:
(I roughly explained in the comment.)
This function `SubstituteConstraintExpressionWithoutSatisfaction` would be
called in the context where a template parameter list is getting parsed, when
the template declaration that the template parameter list would attach to is
not yet available.
https://github.com/llvm/llvm-project/pull/102587
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