================
@@ -6901,8 +6901,20 @@ NamedDecl *Sema::FindInstantiatedDecl(SourceLocation
Loc, NamedDecl *D,
// whose type is not instantiation dependent, do nothing to the decl
// - otherwise find its instantiated decl.
if (isa<ParmVarDecl>(D) && !ParentDependsOnArgs &&
- !cast<ParmVarDecl>(D)->getType()->isInstantiationDependentType())
- return D;
+ !cast<ParmVarDecl>(D)->getType()->isInstantiationDependentType()) {
+ // Check if D belongs to a function template
+ auto *PVD = cast<ParmVarDecl>(D);
+ bool IsFromFunctionTemplate =
+ llvm::any_of(ParentDC->decls(), [PVD](Decl *D) {
+ if (auto *FTD = dyn_cast<FunctionTemplateDecl>(D))
+ return llvm::is_contained(FTD->getTemplatedDecl()->parameters(),
+ PVD);
+ return false;
+ });
----------------
hekota wrote:
Could you please explain why is this needed?
If `D` is a` ParmVarDecl`, then its `ParentDC` should be a `FunctionDecl`,
which has methods like `getDescribedFunctionTemplate()` or
`getPrimaryTemplate()`. Could these be helpful here?
https://github.com/llvm/llvm-project/pull/176058
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