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v0.12.0: upstream fix to --max_old_space_size=2048 integer overflow #9200

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v0.12.0: upstream fix to --max_old_space_size=2048 integer overflow #9200

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9 changes: 5 additions & 4 deletions deps/v8/src/heap/heap.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -4828,21 +4828,22 @@ bool Heap::ConfigureHeap(int max_semi_space_size, int max_old_space_size,
max_semi_space_size_ = max_semi_space_size * MB;
}
if (max_old_space_size > 0) {
max_old_generation_size_ = max_old_space_size * MB;
max_old_generation_size_ = static_cast<intptr_t>(max_old_space_size) * MB;
}
if (max_executable_size > 0) {
max_executable_size_ = max_executable_size * MB;
max_executable_size_ = static_cast<intptr_t>(max_executable_size) * MB;
}

// If max space size flags are specified overwrite the configuration.
if (FLAG_max_semi_space_size > 0) {
max_semi_space_size_ = FLAG_max_semi_space_size * MB;
}
if (FLAG_max_old_space_size > 0) {
max_old_generation_size_ = FLAG_max_old_space_size * MB;
max_old_generation_size_ =
static_cast<intptr_t>(FLAG_max_old_space_size) * MB;
}
if (FLAG_max_executable_size > 0) {
max_executable_size_ = FLAG_max_executable_size * MB;
max_executable_size_ = static_cast<intptr_t>(FLAG_max_executable_size) * MB;
}

if (FLAG_stress_compaction) {
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