[Bug middle-end/36177] New: [4.4 Regression] g++.dg/tree-ssa/pr19637.C ICEs with 135041 -> 135057

["hp at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

This test passed with 135041 for cris-elf.  It fails with 135057 as follows:
FAIL: g++.dg/opt/pr23714.C (internal compiler error)
FAIL: g++.dg/opt/pr23714.C (test for excess errors)

with g++.log saying (cutnpasted):

Executing on host:
/tmp/hpautotest-gcc1/cris-elf/gccobj/gcc/testsuite/g++/../../g++
-B/tmp/hpautote\
st-gcc1/cris-elf/gccobj/gcc/testsuite/g++/../../
/tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/opt/\
pr23714.C  -nostdinc++
-I/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/libstdc++-v3/include/cris-el\
f -I/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/libstdc++-v3/include
-I/tmp/hpautotest-gcc1/gcc/l\
ibstdc++-v3/libsupc++ -I/tmp/hpautotest-gcc1/gcc/libstdc++-v3/include/backward
-I/tmp/hpautotest-gc\
c1/gcc/libstdc++-v3/testsuite/util -fmessage-length=0  -O2
-fnon-call-exceptions  -fno-show-column \
-S   -isystem
/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/./newlib/targ-include -isystem
/tmp/hpa\
utotest-gcc1/gcc/newlib/libc/include  -o pr23714.s    (timeout = 300)
/tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/opt/pr23714.C: In function 'void
run()':^M
/tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/opt/pr23714.C:16: internal
compiler error: in pre_and_rev_post_order_compute, at cfganal.c:1042^M
Please submit a full bug report,^M
with preprocessed source if appropriate.^M
See <http://gcc.gnu.org/bugs.html> for instructions.^M
compiler exited with status 1

Author of the suspect changes CC:ed.


-- 
           Summary: [4.4 Regression] g++.dg/tree-ssa/pr19637.C ICEs with
                    135041 -> 135057
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hp at gcc dot gnu dot org
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: cris-axis-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36177