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

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

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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 ‘main’:
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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From: "jamborm at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/64190] [4.9 Regression] FAIL: gcc.dg/ipa/pr63551.c (test for excess errors)
Date: Thu, 11 Dec 2014 13:20:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idd190

--- Comment #3 from Martin Jambor <jamborm at gcc dot gnu.org> ---
(In reply to Eric Botcazou from comment #2)
> Everywhere I guess.

I'm not getting this warning neither on x86_64-linux nor on i686-linux,
otherwise I would not have committed the patch.  Any information about
the platform you are getting the warning on would be appreciated.

If you can reproduce it, can you check whether providing option
-stdÉ0 or something like it would suppress it?