[Bug bootstrap/11271] New: [arm-elf] regex.c ICEs for thumb multilib

["dhazeghi at yahoo dot com" <gcc-bugzilla at gcc dot gnu dot org>]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11271

           Summary: [arm-elf] regex.c ICEs for thumb multilib
           Product: gcc
           Version: 3.4
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P2
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dhazeghi@yahoo.com
                CC: gcc-bugs@gcc.gnu.org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: arm-elf

Building an arm-elf cross compiler with current mainline fails in libiberty, because xgcc ICEs 
building regex.c for the libiberty thumb multilib:

/tmp/srcobj/gcc/xgcc -B/tmp/srcobj/gcc/ -nostdinc -B/tmp/srcobj/arm-elf/thumb/newlib/ -
isystem /tmp/srcobj/arm-elf/thumb/newlib/targ-include -isystem /tmp/src/newlib/libc/include 
-B/tmp/dara/arm/arm-elf/bin/ -B/tmp/dara/arm/arm-elf/lib/ -isystem /tmp/dara/arm/arm-elf/
include -isystem /tmp/dara/arm/arm-elf/sys-include -L/tmp/srcobj/ld  -mthumb -c -
DHAVE_CONFIG_H -O2 -g -O2 -I. -I../../../../src/libiberty/../include  -W -Wall -Wtraditional -
pedantic ../../../../src/libiberty/regex.c -o regex.o
In file included from ../../../../src/libiberty/regex.c:197:
../../../../src/include/xregex2.h:551: warning: ISO C90 does not support `static' or type qualifiers 
in parameter array declarators
../../../../src/libiberty/regex.c: In function `byte_regex_compile':
../../../../src/libiberty/regex.c:4257: internal compiler error: Segmentation fault