* vm.c (vm_exec): add guard to prevent optimization for LLVM clang.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34162 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/vm.c b/vm.c
index 67ca4393a5..2f38eeef2e 100644
--- a/vm.c
+++ b/vm.c
@@ -1216,6 +1216,9 @@ 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;
+#endif
 	    err = result;
 	    th->state = 0;
 	    goto exception_handler;