[clang] Fix a crash introduced by 3d5e9ab by adding a nullptr check. (PR #90301)

[Balazs Benics via cfe-commits]

================
@@ -54,7 +54,7 @@ class UncountedCallArgsChecker
       bool shouldVisitImplicitCode() const { return false; }
 
       bool TraverseDecl(Decl *D) {
-        if (isa<ClassTemplateDecl>(D) && isRefType(safeGetName(D)))
+        if (D && isa<ClassTemplateDecl>(D) && isRefType(safeGetName(D)))
----------------
steakhal wrote:

Have you considered using "isa_and_nonull"?

https://github.com/llvm/llvm-project/pull/90301
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits