Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/cpp/macro8.c @ 132:d34655255c78
update gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 10:21:07 +0900 |
parents | 04ced10e8804 |
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/* { dg-do compile } */ /* { dg-options -std=gnu89 } */ /* GCC 2.95.2 used to get the following variable argument macro expansions wrong. Source: Neil Booth, from PR 3852 with persmission. 31 Jul 2001. */ #define TEST_WORSE(args...) (5, ## args) #define TEST_BAD(foo, args...) (2, (foo), ## args) extern void abort (); static int add (int a, int b) { return a + b; } int main () { /* Would expand to a single closing parenthesis, maybe because of the "no args requires space" brokenness. */ if (TEST_WORSE () != 5) abort (); /* The macro would expand to (0, (0) with a missing closing parenthesis. */ if (add TEST_BAD (5) != 7) abort (); return 0; }