[Bug middle-end/61430] New: [4.10 regression] ICE in lra_create_copy

["christophe.lyon at st dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61430

            Bug ID: 61430
           Summary: [4.10 regression] ICE in lra_create_copy
           Product: gcc
           Version: 4.10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: christophe.lyon at st dot com

Commit 211304 (Move 2nd VRP pass before phi-only-cprop) make GCC ICE when build
glibc for target arm-none-linux-gnueabihf --with-cpu=cortex-a5 (works with
cortex-a9).

Compile with:
$ arm-none-linux-gnueabihf-gcc vfscanf.i -c -std=gnu99 -O2

vfscanf.c: In function '_IO_vfscanf_internal':
vfscanf.c:2937:1: internal compiler error: in lra_create_copy, at lra.c:1368
 }
 ^
0x86ad8b lra_create_copy(int, int, int)
        /work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/lra.c:1368
0x8836a0 process_bb_lives
        /work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/lra-lives.c:568
0x8836a0 lra_create_live_ranges(bool)
        /work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/lra-lives.c:1019
0x86c3b4 lra(_IO_FILE*)
        /work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/lra.c:2212
0x82c62e do_reload
        /work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/ira.c:5414
0x82c62e execute
        /work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/ira.c:5575
Please submit a full bug report,

gcc configured with:
--target=arm-none-linux-gnueabihf --enable-languages=c --with-float=hard
--enable-build-with-cxx --with-mode=arm --with-cpu=cortex-a5
--with-fpu=vfpv3-d16-fp16