[Bug c/70883] inconsistent error message for calls to __builtin_add_overflow with too few arguments

["msebor at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70883

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Thu Jun  9 16:32:25 2016
New Revision: 237268

URL: https://gcc.gnu.org/viewcvs?rev=237268&root=gcc&view=rev
Log:
PR c/70883 - inconsistent error message for calls to __builtin_add_overflow
  with too few arguments

gcc/c-family/ChangeLog:
2016-06-09  Martin Sebor  <msebor@redhat.com>

        PR c/70883
        * c-common.c (builtin_function_validate_nargs): Make text of error
        message consistent with others like it.

gcc/testsuite/ChangeLog:
2016-06-09  Martin Sebor  <msebor@redhat.com>

        PR c/70883
        * c-c++-common/builtin-arith-overflow-1.c: Adjust diagnostic text.
        * gcc.dg/builtin-constant_p-1.c: Same.
        * gcc.dg/builtins-error.c: Same.
        * gcc.dg/pr70859.c: Same.

Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/c-c++-common/builtin-arith-overflow-1.c
    trunk/gcc/testsuite/gcc.dg/builtin-constant_p-1.c
    trunk/gcc/testsuite/gcc.dg/builtins-error.c
    trunk/gcc/testsuite/gcc.dg/pr70859.c