test/Analysis/Inputs/system-header-simulator-for-nullability-cxx.h - clang - Git at Google

 #pragma clang system_header

 struct S {
   ~S(){}
 };

 void foo() {
   S s;
 }
	#pragma clang system_header

	struct S {
	~S(){}
	};

	void foo() {
	S s;
	}