Tests/FortranOnly/preprocess2.f - third_party/github.com/Kitware/CMake - Git at Google

 #define int INTEGER
        ! This single unmatched quote ' should not cause an error during compilation
        PROGRAM PREPRO
        int f = 1
        PRINT*, f
        END
	#define int INTEGER
	! This single unmatched quote ' should not cause an error during compilation
	PROGRAM PREPRO
	int f = 1
	PRINT*, f
	END