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* gcc.dg/cpp/macro8.c: New tests.

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From-SVN: r44502
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Neil Booth 2001-07-31 06:52:21 +00:00 • committed by Neil Booth
parent 91abf72dfc
commit dd666a872b
2 changed files with 33 additions and 0 deletions
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4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2001-07-31 Neil Booth <neil@cat.daikokuya.demon.co.uk>
* gcc.dg/cpp/macro8.c: New test.
2001-07-27 Nathan Sidwell <nathan@codesourcery.com>
* g++.dg/abi/vbase8-21.C: New test.

29
gcc/testsuite/gcc.dg/cpp/macro8.c Normal file
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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;
}