GCC build failure, HEAD@171091 on native

[regress at apple dot com (regress)]

With your recent patch, GCC HEAD revision 171091 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 171086.

Log information for changes since the last build:
------------------------------------------------------------------------
r171089 | jakub | 2011-03-17 05:35:04 -0700 (Thu, 17 Mar 2011) | 6 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/dse.c
   M /trunk/gcc/testsuite/ChangeLog
   A /trunk/gcc/testsuite/gcc.dg/pr48141.c

	PR rtl-optimization/48141
	* dse.c (record_store): If no positions are needed in an insn
	that cannot be deleted, at least unchain it from active_local_stores.

	* gcc.dg/pr48141.c: New test.

------------------------------------------------------------------------
r171090 | jakub | 2011-03-17 05:36:04 -0700 (Thu, 17 Mar 2011) | 13 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/Makefile.in
   M /trunk/gcc/dse.c
   M /trunk/gcc/params.def

	PR rtl-optimization/48141
	* params.def (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES): New.
	* dse.c: Include params.h.
	(active_local_stores_len): New variable.
	(add_wild_read, dse_step1): Clear it when setting active_local_stores
	to NULL.
	(record_store, check_mem_read_rtx): Decrease it when removing
	from the chain.
	(scan_insn): Likewise.  Increase it when adding to chain, if it
	reaches PARAM_MAX_DSE_ACTIVE_LOCAL_STORES limit, set to 1 and
	set active_local_stores to NULL before the addition.
	* Makefile.in (dse.o): Depend on $(PARAMS_H).

------------------------------------------------------------------------
r171091 | ebotcazou | 2011-03-17 05:37:53 -0700 (Thu, 17 Mar 2011) | 5 lines
Changed paths:
   M /trunk/gcc/ada/ChangeLog
   M /trunk/gcc/ada/gcc-interface/gigi.h
   M /trunk/gcc/ada/gcc-interface/trans.c
   M /trunk/gcc/ada/gcc-interface/utils.c

	* gcc-interface/gigi.h (smaller_form_type_p): Declare.
	* gcc-interface/trans.c (smaller_form_type_p): Make global and move...
	* gcc-interface/utils.c (smaller_form_type_p): ...to here.
	(convert): Deal with conversions from a smaller form type specially.

------------------------------------------------------------------------

For more information, see <http://gcc.gnu.org/regtest/HEAD/>.

Attachment: native-log.txt
Description: Text document

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