[Bug middle-end/60797] [4.9 Regression] gcc hangs with error: only weak aliases are supported in this configuration

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60797

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Apr 11 11:45:44 2014
New Revision: 209299

URL: http://gcc.gnu.org/viewcvs?rev=209299&root=gcc&view=rev
Log:
2014-04-11  Richard Biener  <rguent...@suse.de>

    PR middle-end/60797
    * varasm.c (assemble_alias): Avoid endless error reporting
    recursion by setting TREE_ASM_WRITTEN.

    * gcc.dg/pr60797.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr60797.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/varasm.c