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[Bug c/64269] New: ICE with -O3 enabled on Ubuntu 14.04


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64269

            Bug ID: 64269
           Summary: ICE with -O3 enabled on Ubuntu 14.04
           Product: gcc
           Version: 4.9.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tarasevich at cs dot uni-saarland.de

Created attachment 34251
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34251&action=edit
preprocessed test case

home/tarasevich/build/bin/gcc492 -v -save-temps -O3 test_case_7213.c
Using built-in specs.
COLLECT_GCC=/home/tarasevich/build/bin/gcc492
COLLECT_LTO_WRAPPER=/home/tarasevich/build/libexec/gcc/x86_64-unknown-linux-gnu/4.9.2/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../../source/gcc_492/configure --enable-coverage
--prefix=/home/tarasevich/build/ --program-suffix=492 --disable-multilib
Thread model: posix
gcc version 4.9.2 (GCC) 
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O3' '-mtune=generic' '-march=x86-64'
 /home/tarasevich/build/libexec/gcc/x86_64-unknown-linux-gnu/4.9.2/cc1 -E
-quiet -v -imultiarch x86_64-linux-gnu test_case_7213.c -mtune=generic
-march=x86-64 -O3 -fpch-preprocess -o test_case_7213.i
ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
ignoring nonexistent directory
"/home/tarasevich/build/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/../../../../x86_64-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /home/tarasevich/build/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/include
 /usr/local/include
 /home/tarasevich/build/include
 /home/tarasevich/build/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/include-fixed
 /usr/include/x86_64-linux-gnu
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-O3' '-mtune=generic' '-march=x86-64'
 /home/tarasevich/build/libexec/gcc/x86_64-unknown-linux-gnu/4.9.2/cc1
-fpreprocessed test_case_7213.i -quiet -dumpbase test_case_7213.c
-mtune=generic -march=x86-64 -auxbase test_case_7213 -O3 -version -o
test_case_7213.s
GNU C (GCC) version 4.9.2 (x86_64-unknown-linux-gnu)
    compiled by GNU C version 4.9.2, GMP version 4.3.2, MPFR version 2.4.2, MPC
version 0.8.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C (GCC) version 4.9.2 (x86_64-unknown-linux-gnu)
    compiled by GNU C version 4.9.2, GMP version 4.3.2, MPFR version 2.4.2, MPC
version 0.8.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: fc102f9fe8436bee9826789629a3ba6f
test_case_7213.c: In function âmainâ:
test_case_7213.c:1:5: internal compiler error: Segmentation fault
 int main() {
     ^
0xdeed4a crash_signal
    ../../../source/gcc_492/gcc/toplev.c:337
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.

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