[Bug c++/54198] [4.8 Regression] "error: invalid use of incomplete type" when building Chromium

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54198

--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> 2012-09-04 
19:35:08 UTC ---
Author: jason
Date: Tue Sep  4 19:35:02 2012
New Revision: 190949

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190949
Log:
    PR c++/54198
    * decl.c (check_default_argument): Set cp_unevaluated_operand
    around call to perform_implicit_conversion_flags.

Added:
    trunk/gcc/testsuite/g++.dg/template/defarg15.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/testsuite/ChangeLog