[Bug middle-end/59338] [4.9 Regression] error: position plus size exceeds size of referenced object in BIT_FIELD_REF

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59338

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Nov 29 12:09:12 2013
New Revision: 205521

URL: http://gcc.gnu.org/viewcvs?rev=205521&root=gcc&view=rev
Log:
2013-11-29  Richard Biener  <rguenther@suse.de>

    PR middle-end/59338
    * tree-cfg.c (verify_expr): Restrict bounds verification of
    BIT_FIELD_REF arguments to non-aggregate typed base objects.

    * gcc.dg/torture/pr59338.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr59338.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-cfg.c