1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/_tracemalloc.c b/Modules/_tracemalloc.c
index ddf6ef4..74c09e4 100644
--- a/Modules/_tracemalloc.c
+++ b/Modules/_tracemalloc.c
@@ -712,7 +712,7 @@ tracemalloc_realloc(void *ctx, void *ptr, size_t new_size)
 
                The GIL and the table lock ensures that only one thread is
                allocating memory. */
-            Py_UNREACHABLE();
+            Py_FatalError("tracemalloc_realloc() failed to allocate a trace");
         }
         TABLES_UNLOCK();
     }