Fix also _BINARY_OP_INPLACE_ADD_UNICODE opcode

vstinner · Mar 19, 2026 · Mar 18, 2026 · Mar 18, 2026 · Mar 18, 2026 · Mar 18, 2026
commit 659c4ed1e045abc8f8ce2fc81a992d6e71857faf
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-03-18-16-57-56.gh-issue-146092.wCKFYS.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-03-18-16-57-56.gh-issue-146092.wCKFYS.rst
@@ -1,2 +1,2 @@
-Handle properly memory allocation failures on float operations in the
-bytecode opcodes. Patch by Victor Stinner.
+Handle properly memory allocation failures on str and float opcodes. Patch by
+Victor Stinner.
@@ -793,9 +793,9 @@ dummy_func(
             PyObject *temp = PyStackRef_AsPyObjectSteal(*target_local);
             PyObject *right_o = PyStackRef_AsPyObjectSteal(right);
             PyUnicode_Append(&temp, right_o);
-            *target_local = PyStackRef_FromPyObjectSteal(temp);
             Py_DECREF(right_o);
-            ERROR_IF(PyStackRef_IsNull(*target_local));
+            ERROR_IF(temp == NULL);
+            *target_local = PyStackRef_FromPyObjectSteal(temp);
         #if TIER_ONE
             // The STORE_FAST is already done. This is done here in tier one,
             // and during trace projection in tier two:

diff --git a/Python/executor_cases.c.h b/Python/executor_cases.c.h
diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h