[sanitizer] Relax stack check
NEXT sometimes does not work as LLVMSymbolizer warning can appear there.
@@ -25,7 +25,7 @@ int main(int argc, char **argv) {
// CHECK0-NOT: Sanitizer:DEADLYSIGNAL
// CHECK1: ERROR: {{.*}}Sanitizer: ABRT
-// CHECK1-NEXT: {{ #0 }}
+// CHECK1: {{ #0 }}
// CHECK1-NEXT: {{ #1 }}
// CHECK1: DEATH CALLBACK
// CHECK0-NOT: Sanitizer
