[Bug c/30457] Please warn about va_start(ap, invalid)

[manu at gcc dot gnu dot org]

------- Comment #3 from manu at gcc dot gnu dot org  2008-08-21 19:07 -------
Subject: Bug 30457

Author: manu
Date: Thu Aug 21 19:05:46 2008
New Revision: 139406

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139406
Log:
2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 30457
        * builtins.c (fold_builtin_next_arg): Add warning about undefined
        behaviour.
testsuite/
        * gcc.dg/pr30457.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/pr30457.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30457