Check room available for JUMP_TO_TOP

python · Jul 7, 2023 · 80690c9 · 80690c9
1 parent 681dcfe
commit 80690c9
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/Python/optimizer.c b/Python/optimizer.c
@@ -455,9 +455,11 @@ translate_bytecode_to_trace(
  }
  case JUMP_BACKWARD:
  {
- if (instr + 2 - operand == initial_instr) {
+ if (instr + 2 - operand == initial_instr
+ && trace_length + 3 <= max_length)
+ {
  ADD_TO_TRACE(JUMP_TO_TOP, 0);
- break;
+ goto done;
  }
  // Else fall through!
  }