diff options
Diffstat (limited to 'vm.c')
| -rw-r--r-- | vm.c | 6 |
1 files changed, 5 insertions, 1 deletions
@@ -1003,6 +1003,7 @@ env_copy(const VALUE *src_ep, VALUE read_only_variables) VALUE *env_body = ZALLOC_N(VALUE, src_env->env_size); // fill with Qfalse VALUE *ep = &env_body[src_env->env_size - 2]; + volatile VALUE prev_env = Qnil; if (read_only_variables) { for (int i=0; i<RARRAY_LENINT(read_only_variables); i++) { @@ -1030,13 +1031,16 @@ env_copy(const VALUE *src_ep, VALUE read_only_variables) if (!VM_ENV_LOCAL_P(src_ep)) { const VALUE *prev_ep = VM_ENV_PREV_EP(src_env->ep); const rb_env_t *new_prev_env = env_copy(prev_ep, read_only_variables); + prev_env = (VALUE)new_prev_env; ep[VM_ENV_DATA_INDEX_SPECVAL] = VM_GUARDED_PREV_EP(new_prev_env->ep); } else { ep[VM_ENV_DATA_INDEX_SPECVAL] = VM_BLOCK_HANDLER_NONE; } - return vm_env_new(ep, env_body, src_env->env_size, src_env->iseq); + const rb_env_t *copied_env = vm_env_new(ep, env_body, src_env->env_size, src_env->iseq); + RB_GC_GUARD(prev_env); + return copied_env; } static void |