[Bug middle-end/67330] ICE handling weak attributes

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67330

--- Comment #6 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Tue Aug 25 20:28:59 2015
New Revision: 227190

URL: https://gcc.gnu.org/viewcvs?rev=227190&root=gcc&view=rev
Log:
        PR middle-end/67330
        * varasm.c (declare_weak): Return after giving an error.

        * c-common.c (handle_weak_attribute): Don't check whether the
        visibility can be changed here.

        * gcc.dg/weak/weak-18.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/weak/weak-18.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/varasm.c