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fix assertion failure (issue #650)

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This commit is contained in:
Daan Leijen 2022-11-25 14:27:48 -08:00
parent 78af17e3b3
commit 604d4b259b
1 changed files with 4 additions and 3 deletions
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7
src/alloc-aligned.c
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@ -56,9 +56,10 @@ static mi_decl_noinline void* mi_heap_malloc_zero_aligned_at_fallback(mi_heap_t*
}
// .. and align within the allocation
uintptr_t adjust = alignment - (((uintptr_t)p + offset) & align_mask);
mi_assert_internal(adjust <= alignment);
void* aligned_p = (adjust == alignment ? p : (void*)((uintptr_t)p + adjust));
const uintptr_t poffset = ((uintptr_t)p + offset) & align_mask;
const uintptr_t adjust = (poffset == 0 ? 0 : alignment - poffset);
mi_assert_internal(adjust < alignment);
void* aligned_p = (void*)((uintptr_t)p + adjust);
if (aligned_p != p) {
mi_page_set_has_aligned(_mi_ptr_page(p), true);
}