================
@@ -12163,6 +12163,23 @@ bool Sema::CheckFunctionDeclaration(Scope *S,
FunctionDecl *NewFD,
}
}
+ // C++11 [dcl.constexpr]p1: An explicit specialization of a constexpr
+ // function can differ from the template declaration with respect to
+ // the constexpr specifier.
+ if (IsMemberSpecialization) {
+ FunctionDecl *InstantiationFunction =
+ OldDecl ? OldDecl->getAsFunction() : nullptr;
+ if (InstantiationFunction &&
+ InstantiationFunction->getTemplateSpecializationKind() ==
+ TSK_ImplicitInstantiation &&
----------------
erichkeane wrote:
The old-decl should be a primary template, right? What sort of thigns are we
looking to avoid here?
https://github.com/llvm/llvm-project/pull/145272
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