Improved diagnostic message for JS heap out of memory

src/heap/mark-compact.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/heap/mark-compact.h"
 
 #include "src/base/atomicops.h"
 #include "src/base/bits.h"
 #include "src/base/sys-info.h"
 #include "src/code-stubs.h"
@@ skipping 1709 matching lines @@
     }
     return allocation;
   }
 
   inline AllocationResult AllocateInOldSpace(int size_in_bytes,
                                              AllocationAlignment alignment) {
     AllocationResult allocation =
         compaction_spaces_->Get(OLD_SPACE)->AllocateRaw(size_in_bytes,
                                                         alignment);
     if (allocation.IsRetry()) {
-      FatalProcessOutOfMemory(
-          "MarkCompactCollector: semi-space copy, fallback in old gen\n");
+      v8::internal::Heap::FatalProcessOutOfMemory(
+          "MarkCompactCollector: semi-space copy, fallback in old gen", true);
     }
     return allocation;
   }
 
   inline AllocationResult AllocateInLab(int size_in_bytes,
                                         AllocationAlignment alignment) {
     AllocationResult allocation;
     if (!buffer_.IsValid()) {
       if (!NewLocalAllocationBuffer()) {
         space_to_allocate_ = OLD_SPACE;
@@ skipping 2064 matching lines @@
     MarkBit mark_bit = Marking::MarkBitFrom(host);
     if (Marking::IsBlack(mark_bit)) {
       RelocInfo rinfo(isolate(), pc, RelocInfo::CODE_TARGET, 0, host);
       RecordRelocSlot(host, &rinfo, target);
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8