Return false in TryNumberToSize if there is a cast error

test/cctest/test-conversions.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 426 matching lines @@
       CHECK_EQ(result, 2u);
     }
     Handle<HeapNumber> heap_number2 = isolate->factory()->NewHeapNumber(
         static_cast<double>(std::numeric_limits<size_t>::max()) + 10000.0);
     {
       SealHandleScope no_handles(isolate);
       CHECK(!TryNumberToSize(*heap_number2, &result));
     }
   }
 }
+
+TEST(TryNumberToSizeWithMaxSizePlusOne) {
+  i::Isolate* isolate = CcTest::i_isolate();
+  {
+    HandleScope scope(isolate);
+    // 1 << 64, larger than the limit of size_t.
+    double value = 18446744073709551616.0;
+    size_t result = 0;
+    Handle<HeapNumber> heap_number = isolate->factory()->NewHeapNumber(value);
+    CHECK(!TryNumberToSize(*heap_number, &result));
+  }
+}