diff options
Diffstat (limited to 'deps/v8/src/code-stub-assembler.cc')
| -rw-r--r-- | deps/v8/src/code-stub-assembler.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/deps/v8/src/code-stub-assembler.cc b/deps/v8/src/code-stub-assembler.cc index e11beb6541..6a70ee825e 100644 --- a/deps/v8/src/code-stub-assembler.cc +++ b/deps/v8/src/code-stub-assembler.cc @@ -4931,6 +4931,13 @@ void CodeStubAssembler::CopyPropertyArrayValues(Node* from_array, Comment("[ CopyPropertyArrayValues"); bool needs_write_barrier = barrier_mode == UPDATE_WRITE_BARRIER; + + if (destroy_source == DestroySource::kNo) { + // PropertyArray may contain MutableHeapNumbers, which will be cloned on the + // heap, requiring a write barrier. + needs_write_barrier = true; + } + Node* start = IntPtrOrSmiConstant(0, mode); ElementsKind kind = PACKED_ELEMENTS; BuildFastFixedArrayForEach( |