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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [testsuite/] [gcc.dg/] [cpp/] [macro8.c] - Rev 12
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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; }