[FeedbackVector] Infrastructure for literal arrays in the vector.

test/cctest/test-heap-profiler.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2550 matching lines @@
       reinterpret_cast<i::HeapProfiler*>(heap_profiler)->allocation_tracker();
   CHECK(tracker);
   // Resolve all function locations.
   tracker->PrepareForSerialization();
   // Print for better diagnostics in case of failure.
   tracker->trace_tree()->Print(tracker);
 
   const char* names[] = {"", "start", "f_0_0"};
   AllocationTraceNode* node = FindNode(tracker, ArrayVector(names));
   CHECK(node);
-  CHECK_GE(node->allocation_count(), 12u);
+  CHECK_GE(node->allocation_count(), 10u);
   CHECK_GE(node->allocation_size(), 4 * node->allocation_count());
   heap_profiler->StopTrackingHeapObjects();
 }
 
 TEST(TrackHeapAllocationsWithoutInlining) {
   i::FLAG_turbo_inlining = false;
   i::FLAG_max_inlined_source_size = 0;  // Disable inlining
   v8::HandleScope scope(v8::Isolate::GetCurrent());
   LocalContext env;
 
@@ skipping 520 matching lines @@
       "      a[i] = i;\n"
       "  for (var i = 0; i < 3; ++i)\n"
       "      a.shift();\n"
       "}\n");
 
   CcTest::CollectGarbage(v8::internal::NEW_SPACE);
   // Should not crash.
 
   heap_profiler->StopSamplingHeapProfiler();
 }