* vm.c (vm_exec): refix r34162; suppress warning and add description.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34260 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/vm.c b/vm.c
index 90f7e3e519..71d282d579 100644
--- a/vm.c
+++ b/vm.c
@@ -1216,8 +1216,8 @@ vm_exec(rb_thread_t *th)
       vm_loop_start:
 	result = vm_exec_core(th, initial);
 	if ((state = th->state) != 0) {
-#ifdef __llvm__
-	    rb_thread_t t = *th;
+#ifdef __llvm__ /* LLVM optimization guard for TestEnumerator#test_nested_itaration */
+	    (void)__extension__({rb_thread_t t = *th; t;});
 #endif
 	    err = result;
 	    th->state = 0;