GCC build failure, HEAD@190949 on native

[GCC regression tester <regress at geoffk dot org>]

With your recent patch, GCC HEAD revision 190949 had problems on:
native: build (about the same as the previous build)
Attached is build output for those targets.
The previous build was of revision 190948.

Log information for changes since the last build:
------------------------------------------------------------------------
r190949 | jason | 2012-09-04 12:35:02 -0700 (Tue, 04 Sep 2012) | 3 lines
Changed paths:
   M /trunk/gcc/cp/ChangeLog
   M /trunk/gcc/cp/decl.c
   M /trunk/gcc/testsuite/ChangeLog
   A /trunk/gcc/testsuite/g++.dg/template/defarg15.C

	PR c++/54198
	* decl.c (check_default_argument): Set cp_unevaluated_operand
	around call to perform_implicit_conversion_flags.
------------------------------------------------------------------------

For more information, see <http://glutton.geoffk.org/HEAD/>.

Attachment: native-log.txt
Description: Text document

-- 
Geoffrey Keating <geoffk@geoffk.org> 
(via an automated GCC regression-testing script.)