test/Modules/Inputs/PR27754/algobase.h - clang - Git at Google

 #ifndef _STL_ALGOBASE_H
 #define _STL_ALGOBASE_H
 template<typename _Tp, _Tp> struct integral_constant {};
 #endif
	#ifndef _STL_ALGOBASE_H
	#define _STL_ALGOBASE_H
	template<typename _Tp, _Tp> struct integral_constant {};
	#endif