Revert r38371 and r38384. they didn't solve the issue

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38455 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 5 deletions

diff --git a/vm_trace.c b/vm_trace.c
index 558b6a87ce..861ee0511a 100644
--- a/vm_trace.c
+++ b/vm_trace.c
@@ -244,7 +244,7 @@ clean_hooks(rb_hook_list_t *list)
 static int
 exec_hooks(rb_thread_t *th, rb_hook_list_t *list, const rb_trace_arg_t *trace_arg, int can_clean_hooks)
 {
-    volatile int state;
+    int state;
     volatile int raised;
 
     if (UNLIKELY(list->need_clean > 0) && can_clean_hooks) {
@@ -275,10 +275,6 @@ exec_hooks(rb_thread_t *th, rb_hook_list_t *list, const rb_trace_arg_t *trace_ar
     if (raised) {
 	rb_threadptr_set_raised(th);
     }
-    {
-	/* maybe rb_thread_t *volatile? */
-	rb_thread_t volatile *RB_UNUSED_VAR(tmp) = th;
-    }
 
     return state;
 }