test/make/uncaught_exception.h - lldb - Git at Google

 // MSVC header files have compilation issues when compiling with exceptions disabled.  Notably,
 // this function is compiled out when _HAS_EXCEPTIONS=0, but this function is called from another
 // place even when _HAS_EXCEPTIONS=0.  So we define a dummy implementation as a workaround and
 // force include this header file.
 static void *__uncaught_exception() { return nullptr; }
	// MSVC header files have compilation issues when compiling with exceptions disabled. Notably,
	// this function is compiled out when _HAS_EXCEPTIONS=0, but this function is called from another
	// place even when _HAS_EXCEPTIONS=0. So we define a dummy implementation as a workaround and
	// force include this header file.
	static void *__uncaught_exception() { return nullptr; }