NEW GCC build failure, HEAD@182848 on native

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

With your recent patch, GCC HEAD revision 182848 had problems on:
native: build (NEW build failure)
Attached is build output for those targets.
The previous build was of revision 182844.

Log information for changes since the last build:
------------------------------------------------------------------------
r182845 | jakub | 2012-01-03 05:45:41 -0800 (Tue, 03 Jan 2012) | 9 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/dwarf2out.c

	PR pch/51722
	* dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
	dwarf2out_undef): Allocate e.info using ggc_strdup instead
	of xstrdup.
	(output_macinfo_op): Don't ggc_strdup fd->filename.
	(optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
	then ggc_strdup it.  Don't free inc->info or cur->info.
	(output_macinfo): Don't free ref->info or file->info.

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

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.)