8000 py: Clear finalizer flag when calling gc_free. by dhylands · Pull Request #1595 · micropython/micropython · GitHub
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py: Clear finalizer flag when calling gc_free. #1595

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py: Clear finalizer flag when calling gc_free. #1595

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3 changes: 3 additions & 0 deletions py/gc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -454,6 +454,9 @@ void gc_free(void *ptr_in) {
if (VERIFY_PTR(ptr)) {
mp_uint_t block = BLOCK_FROM_PTR(ptr);
if (ATB_GET_KIND(block) == AT_HEAD) {
#if MICROPY_ENABLE_FINALISER
FTB_CLEAR(block);
#endif
// set the last_free pointer to this block if it's earlier in the heap
if (block / BLOCKS_PER_ATB < MP_STATE_MEM(gc_last_free_atb_index)) {
MP_STATE_MEM(gc_last_free_atb_index) = block / BLOCKS_PER_ATB;
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