http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55167
Bug #: 55167
Summary: [4.8 Regression]: g++.dg/other/vector-compare.C, ICE
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: regression
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: h...@gcc.gnu.org
CC: gli...@gcc.gnu.org
Host: x86_64-unknown-linux-gnu
Target: cris-axis-elf
This test previously passed, now it fails.
A patch in the revision range (last_known_working:first_known_failing)
192985:192991
exposed or caused this regression. Since then it fails as follows:
Running /tmp/hpautotest-gcc0/gcc/gcc/testsuite/g++.dg/dg.exp ...
FAIL: g++.dg/other/vector-compare.C (internal compiler error)
FAIL: g++.dg/other/vector-compare.C (test for excess errors)
In g++.log:
Executing on host:
/tmp/hpautotest-gcc0/cris-elf/gccobj/gcc/testsuite/g++/../../g++
-B/tmp/hpautotest-gcc0/cris-elf/gccobj/gcc/testsuite/g++/../../
/tmp/hpautotest-gcc0/gcc/gcc/testsuite/g++.dg/other/vector-compare.C
-fno-diagnostics-show-caret -nostdinc++
-I/tmp/hpautotest-gcc0/cris-elf/gccobj/cris-elf/libstdc++-v3/include/cris-elf
-I/tmp/hpautotest-gcc0/cris-elf/gccobj/cris-elf/libstdc++-v3/include
-I/tmp/hpautotest-gcc0/gcc/libstdc++-v3/libsupc++
-I/tmp/hpautotest-gcc0/gcc/libstdc++-v3/include/backward
-I/tmp/hpautotest-gcc0/gcc/libstdc++-v3/testsuite/util -fmessage-length=0
-std=gnu++11 -Wall -S -isystem
/tmp/hpautotest-gcc0/cris-elf/gccobj/cris-elf/./newlib/targ-include -isystem
/tmp/hpautotest-gcc0/gcc/newlib/libc/include -o vector-compare.s (timeout =
300)
/tmp/hpautotest-gcc0/gcc/gcc/testsuite/g++.dg/other/vector-compare.C: In
function 'int main()':
/tmp/hpautotest-gcc0/gcc/gcc/testsuite/g++.dg/other/vector-compare.C:30:21:
internal compiler error: Segmentation fault
0x9fc565 crash_signal
/tmp/hpautotest-gcc0/gcc/gcc/toplev.c:333
0x802f65 force_operand(rtx_def*, rtx_def*)
/tmp/hpautotest-gcc0/gcc/gcc/expr.c:6975
0x743ac0 expand_gimple_stmt_1
/tmp/hpautotest-gcc0/gcc/gcc/cfgexpand.c:2168
0x743ac0 expand_gimple_stmt
/tmp/hpautotest-gcc0/gcc/gcc/cfgexpand.c:2204
0x744b39 expand_gimple_basic_block
/tmp/hpautotest-gcc0/gcc/gcc/cfgexpand.c:3979
0x746276 gimple_expand_cfg
/tmp/hpautotest-gcc0/gcc/gcc/cfgexpand.c:4498
According to <http://gcc.gnu.org/ml/gcc-patches/2012-10/msg02858.html>, this
also happens for i686-linux and revision r192986 is to blame.
Author of suspect patch CC:ed.
