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Merge pull request #3353 from laytan/fix-incomplete-types-resize-segfault

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fix a segfault when incomplete types array resizes while processing
This commit is contained in:
gingerBill
2024-03-29 22:13:01 +00:00
committed by GitHub
parent 8899f42478 915f63b3f9
commit db95ed7cdd
1 changed files with 3 additions and 1 deletions
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4
src/llvm_backend_debug.cpp
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@@ -652,7 +652,9 @@ gb_internal void lb_debug_complete_types(lbModule *m) {
for_array(debug_incomplete_type_index, m->debug_incomplete_types) {
TEMPORARY_ALLOCATOR_GUARD();
auto const &idt = m->debug_incomplete_types[debug_incomplete_type_index];
// NOTE(laytan): don't make this a pointer, the array could resize while in this iteration
// and cause a use-after-free at the end.
auto const idt = m->debug_incomplete_types[debug_incomplete_type_index];
GB_ASSERT(idt.type != nullptr);
GB_ASSERT(idt.metadata != nullptr);