8sa1-gcc/gcc/testsuite/gcc.dg/cpp/macro11.c
Neil Booth a2566f60d2 * gcc.dg/cpp/macro11.c: New test.
From-SVN: r45978
2001-10-02 22:30:15 +00:00

17 lines
357 B
C

/* Copyright (C) 2001 Free Software Foundation, Inc. */
/* { dg-do preprocess } */
/* Source: Neil Booth, 2 Oct 2001.
Tests that we clear the disabled flag that is set by the
macro-defined-to-itself optimization (the optimization might not be
worth it). */
#define foo foo
#undef foo
#define foo 1
#if !foo
#error foo still disabled!
#endif