pragma-pop_macro-1.c

来自「用于进行gcc测试」· C语言 代码 · 共 13 行

/* PR preprocessor/35061 */
/* Do nothing if there is nothing on the macro stack to pop.  */

/* { dg-do preprocess { target *-*-mingw* *-*-cygwin* } } */

#define X  1
/* # pragma push_macro("X") */
# undef X
# pragma pop_macro("X")
#ifdef X
#error X is defined
#endif