Fix a few issues which can lead to undefined-behaviour (#1730)

JerryScript-DCO-1.0-Signed-off-by: Zsolt Borbély zsborbely.u-szeged@partner.samsung.com
2017-04-13 14:34:10 +02:00
parent 605e9847d2
commit 950a0f10cd
3 changed files with 7 additions and 4 deletions
@@ -2754,7 +2754,8 @@ vm_run (const ecma_compiled_code_t *bytecode_header_p, /**< byte-code data heade
  frame_ctx.is_eval_code = is_eval_code;
  frame_ctx.call_operation = VM_NO_EXEC_OP;

-  ecma_value_t stack[call_stack_size];
+  /* Use JERRY_MAX() to avoid array declaration with size 0. */
+  ecma_value_t stack[JERRY_MAX (call_stack_size, 1)];
  frame_ctx.registers_p = stack;

  return vm_execute (&frame_ctx, arg_list_p, arg_list_len);