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LibJS: Remove the JS_TRACK_ZOMBIE_CELLS option

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This feature had bitrotted somewhat and would trigger errors because
PrimitiveStrings were "destroyed" but because of this mode they were not
removed from the string cache. Even fixing that case running test-js
with the options still failed in more places.
This commit is contained in:
davidot 2022-02-04 16:12:39 +01:00 • committed by Andreas Kling
parent 794d79e315
commit 8da6c01d8f
13 changed files with 1 additions and 107 deletions
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19
Userland/Libraries/LibJS/Heap/Heap.cpp
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@ -190,14 +190,6 @@ public:
return;
dbgln_if(HEAP_DEBUG, " ! {}", &cell);
#ifdef JS_TRACK_ZOMBIE_CELLS
if (cell.state() == Cell::State::Zombie) {
dbgln("BUG! Marking a zombie cell, {} @ {:p}", cell.class_name(), &cell);
cell.vm().dump_backtrace();
VERIFY_NOT_REACHED();
}
#endif
cell.set_marked(true);
cell.visit_edges(*this);
}
@ -234,16 +226,7 @@ void Heap::sweep_dead_cells(bool print_report, const Core::ElapsedTimer& measure
block.template for_each_cell_in_state<Cell::State::Live>([&](Cell* cell) {
if (!cell->is_marked()) {
dbgln_if(HEAP_DEBUG, " ~ {}", cell);
#ifdef JS_TRACK_ZOMBIE_CELLS
if (m_zombify_dead_cells) {
cell->set_state(Cell::State::Zombie);
cell->did_become_zombie();
} else {
#endif
block.deallocate(cell);
#ifdef JS_TRACK_ZOMBIE_CELLS
}
#endif
block.deallocate(cell);
++collected_cells;
collected_cell_bytes += block.cell_size();
} else {