GCC build failure, HEAD@169515 on native

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

With your recent patch, GCC HEAD revision 169515 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 169514.

Log information for changes since the last build:
------------------------------------------------------------------------
r169515 | aoliva | 2011-02-01 22:18:01 -0800 (Tue, 01 Feb 2011) | 8 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/cfgexpand.c
   M /trunk/gcc/tree-flow-inline.h
   M /trunk/gcc/tree-nrv.c
   M /trunk/gcc/tree-ssa-live.c

PR debug/47106
PR debug/47402
* tree-flow-inline.h (clear_is_used, is_used_p): New.
* cfgexpand.c (account_used_vars_for_block): Use them.
* tree-nrv.c (tree_nrv): Likewise.
* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
(dump_scope_block): Likewise.
(remove_unused_locals): Likewise.
------------------------------------------------------------------------

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.)