[Bug c/67730] [5/6 Regression] No warning when returning NULL in void function

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67730

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Wed Sep 30 11:26:44 2015
New Revision: 228286

URL: https://gcc.gnu.org/viewcvs?rev=228286&root=gcc&view=rev
Log:
        PR c/67730
        * c-typeck.c (c_finish_return): Use the expansion point location for
        certain "return with value" warnings.

        * gcc.dg/pr67730.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr67730.c
Modified:
    trunk/gcc/c/ChangeLog
    trunk/gcc/c/c-typeck.c
    trunk/gcc/testsuite/ChangeLog