[foozzie] Don't provide stack locations for correctness fuzzing

Location information doesn't reveal interesting bugs, but leads to
tedious duplicates when the location information deviates.

Bug: chromium:1068003
Change-Id: I0b6d0ee28e1a3f370d19e5593484ee250fd6928f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2148781
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67139}

src/execution/messages.cc

@@ -87,7 +87,7 @@ Handle<JSMessageObject> MessageHandler::MakeMessageObject(
   int bytecode_offset = -1;
   Handle<Script> script_handle = isolate->factory()->empty_script();
   Handle<SharedFunctionInfo> shared_info;
-  if (location != nullptr) {
+  if (location != nullptr && !FLAG_correctness_fuzzer_suppressions) {
     start = location->start_pos();
     end = location->end_pos();
     script_handle = location->script();