Update nocompile expectations in weak_ptr_unittest.nc for new Clang

Bug: 1155145
Change-Id: I017435298a7e860f42f3d36ac27c6fc7a2e55841
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2571098
Commit-Queue: Hans Wennborg <hans@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Auto-Submit: Hans Wennborg <hans@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#833318}

base/memory/weak_ptr_unittest.nc

@@ -132,7 +132,8 @@ void WontCompile() {
   WeakPtr<Unrelated> ptr = AsWeakPtr(&f);
 }
 
-#elif defined(NCTEST_AMBIGUOUS_ANCESTORS)  // [r"fatal error: use of undeclared identifier 'AsWeakPtrImpl'"]
+#elif defined(NCTEST_AMBIGUOUS_ANCESTORS)  // [r"fatal error: (use of undeclared identifier|no matching function for call to) 'AsWeakPtrImpl'"]
+// TODO(crbug.com/1155145): Update expectation after rolling clang.
 
 void WontCompile() {
   MultiplyDerivedProducer f;