1 files changed, 2 insertions, 2 deletions
diff --git a/vm_eval.c b/vm_eval.c
index 8517c0e560..002493c6e4 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -1272,7 +1272,7 @@ eval_string_with_cref(VALUE self, VALUE src, VALUE scope, rb_cref_t *const cref_
     int state;
     VALUE result = Qundef;
     VALUE envval;
-    rb_thread_t *th = GET_THREAD();
+    rb_thread_t *volatile th = GET_THREAD();
     rb_env_t *env = NULL;
     rb_block_t block, *base_block;
     volatile int parse_in_eval;
@@ -2007,7 +2007,7 @@ rb_catch_protect(VALUE t, rb_block_call_func *func, VALUE data, int *stateptr)
     int state;
     volatile VALUE val = Qnil;		/* OK */
     rb_thread_t *th = GET_THREAD();
-    rb_control_frame_t *saved_cfp = th->cfp;
+    rb_control_frame_t *volatile saved_cfp = th->cfp;
     volatile VALUE tag = t;
 
     TH_PUSH_TAG(th);