[Bug rtl-optimization/71591] New: SIGSEGV in test_uncond_jump (rtl-tests.c:90) with -E -fself-test

[zsojka at seznam dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71591

            Bug ID: 71591
           Summary: SIGSEGV in test_uncond_jump (rtl-tests.c:90) with -E
                    -fself-test
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
  Target Milestone: ---

Compiler output:
$ echo '' | x86_64-pc-linux-gnu-gcc -E -fself-test -xc -
# 1 "<stdin>"
# 1 "<built-in>"
# 1 "<command-line>"
# 31 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 32 "<command-line>" 2
# 1 "<stdin>"
cc1: internal compiler error: Segmentation fault
0xbc434f crash_signal
        /repo/gcc-trunk/gcc/toplev.c:335
0x1576a3d test_uncond_jump
        /repo/gcc-trunk/gcc/rtl-tests.c:90
0x1576fd4 selftest::rtl_tests_c_tests()
        /repo/gcc-trunk/gcc/rtl-tests.c:109
0x1536d94 selftest::run_tests()
        /repo/gcc-trunk/gcc/selftest-run-tests.c:57
0xbc5979 toplev::run_self_tests()
        /repo/gcc-trunk/gcc/toplev.c:2057
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

$ x86_64-pc-linux-gnu-gcc -v                  
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-237587-checking-yes-rtl-df-nographite-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/7.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-checking=yes,rtl,df --without-cloog --without-ppl --without-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-237587-checking-yes-rtl-df-nographite-amd64
Thread model: posix
gcc version 7.0.0 20160620 (experimental) (GCC)