Avoid clearing mark array when it was not committed (dotnet#84734)

clamp03 · Apr 14, 2023 · 510e9fb · 510e9fb
1 parent 27b8a24
commit 510e9fb
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/coreclr/gc/gc.cpp b/src/coreclr/gc/gc.cpp
@@ -9633,7 +9633,10 @@ void gc_heap::remove_ro_segment (heap_segment* seg)
 #ifdef BACKGROUND_GC
     if (gc_can_use_concurrent)
     {
-        seg_clear_mark_array_bits_soh (seg);
+        if ((seg->flags & heap_segment_flags_ma_committed) || (seg->flags & heap_segment_flags_ma_pcommitted))
+        {
+            seg_clear_mark_array_bits_soh (seg);
+        }
     }
 #endif //BACKGROUND_GC