[Bug tree-optimization/70288] New: ICE with -O1 -fno-tree-dominator-opts

["tarasevich at cs dot uni-saarland.de" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70288

            Bug ID: 70288
           Summary: ICE with -O1 -fno-tree-dominator-opts
           Product: gcc
           Version: 5.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tarasevich at cs dot uni-saarland.de
  Target Milestone: ---

Created attachment 38013
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38013&action=edit
test case with ICE

GCC 5.3.0 built from with Clang 3.7.1 on Ubuntu 14.04 64bit. Same with GCC
4.8.2

../build/gcc_530_clean_bin/bin/gcc -fno-tree-dominator-opts test_case_1.c -O1
-save-temps -v
Using built-in specs.
COLLECT_GCC=../build/gcc_530_clean_bin/bin/gcc
COLLECT_LTO_WRAPPER=/home/tarasevich/build/gcc_530_clean_bin/libexec/gcc/x86_64-unknown-linux-gnu/5.3.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../../source/gcc_530/configure
--prefix=/home/tarasevich/build/gcc_530_clean_bin/ --enable-languages=c
--disable-multilib --disable-bootstrap
CC=/home/tarasevich/build/llvm_371_bin/bin/clang
CXX=/home/tarasevich/build/llvm_371_bin/bin/clang++
Thread model: posix
gcc version 5.3.0 (GCC) 
COLLECT_GCC_OPTIONS='-fno-tree-dominator-opts' '-O1' '-save-temps' '-v'
'-mtune=generic' '-march=x86-64'

/home/tarasevich/build/gcc_530_clean_bin/libexec/gcc/x86_64-unknown-linux-gnu/5.3.0/cc1
-E -quiet -v -imultiarch x86_64-linux-gnu test_case_1.c -mtune=generic
-march=x86-64 -fno-tree-dominator-opts -O1 -fpch-preprocess -o test_case_1.i
ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
ignoring nonexistent directory
"/home/tarasevich/build/gcc_530_clean_bin/lib/gcc/x86_64-unknown-linux-gnu/5.3.0/../../../../x86_64-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:

/home/tarasevich/build/gcc_530_clean_bin/lib/gcc/x86_64-unknown-linux-gnu/5.3.0/include
 /usr/local/include
 /home/tarasevich/build/gcc_530_clean_bin/include

/home/tarasevich/build/gcc_530_clean_bin/lib/gcc/x86_64-unknown-linux-gnu/5.3.0/include-fixed
 /usr/include/x86_64-linux-gnu
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-fno-tree-dominator-opts' '-O1' '-save-temps' '-v'
'-mtune=generic' '-march=x86-64'

/home/tarasevich/build/gcc_530_clean_bin/libexec/gcc/x86_64-unknown-linux-gnu/5.3.0/cc1
-fpreprocessed test_case_1.i -quiet -dumpbase test_case_1.c -mtune=generic
-march=x86-64 -auxbase test_case_1 -O1 -version -fno-tree-dominator-opts -o
test_case_1.s
GNU C11 (GCC) version 5.3.0 (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.2.1 Compatible Clang 3.7.1
(tags/RELEASE_371/final 263010), GMP version 5.1.3, MPFR version 3.1.2-p3, MPC
version 1.0.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C11 (GCC) version 5.3.0 (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.2.1 Compatible Clang 3.7.1
(tags/RELEASE_371/final 263010), GMP version 5.1.3, MPFR version 3.1.2-p3, MPC
version 1.0.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: c53bb545b4c066cdbf5e42f0b9d9ad8b
gcc: internal compiler error: Segmentation fault (program cc1)
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.