fixup! don't format FileCheck

Author: Michael137

lldb/test/API/functionalities/tail_call_frames/inlining_and_tail_calls/main.cpp

@@ -1,11 +1,13 @@
 volatile int x;
 
+// clang-format off
 void __attribute__((noinline)) tail_call_sink() {
   x++; //% self.filecheck("bt", "main.cpp", "-check-prefix=TAIL-CALL-SINK")
   // TAIL-CALL-SINK: frame #0: 0x{{[0-9a-f]+}} a.out`tail_call_sink() at main.cpp:[[@LINE-1]]:4
   // TAIL-CALL-SINK-NEXT: inlinable_function_which_tail_calls() at main.cpp{{.*}} [artificial]
   // TAIL-CALL-SINK-NEXT: main{{.*}}
 }
+// clang-format on
 
 void __attribute__((always_inline)) inlinable_function_which_tail_calls() {
   tail_call_sink();