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From: "doko at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/60419] New: [4.8 / 4.9 Regression] ICE Segmentation fault
Date: Tue, 04 Mar 2014 23:04:00 -0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 4.8.3
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: doko at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60419

            Bug ID: 60419
           Summary: [4.8 / 4.9 Regression] ICE Segmentation fault
           Product: gcc
           Version: 4.8.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org

Created attachment 32264
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32264&action=edit
preprocessed source

see on
https://bugs.launchpad.net/ubuntu/+source/mrpt/+bug/1286343
https://bugzilla.redhat.com/show_bug.cgi?id=1007586

seen on armv7, powerpc, ppc64el. lowering the optimization works around it

$ g++ -std=c++11 -c -O3  -g CMetricMapBuilderICP.ii
/root/mrpt-1.0.2/libs/slam/src/slam/CMetricMapBuilderICP.cpp:629:1: internal
compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.

Program received signal SIGSEGV, Segmentation fault.
0x0000000010ae517c in ?? ()
(gdb) bt
#0  0x0000000010ae517c in ?? ()
#1  0x000000001056a0c0 in execute_one_pass(opt_pass*) ()
#2  0x000000001056ad88 in execute_ipa_pass_list(opt_pass*) ()
#3  0x000000001032ce28 in compile() ()
#4  0x000000001032d6cc in finalize_compilation_unit() ()
#5  0x000000001019017c in cp_write_global_declarations() ()
#6  0x000000001062b370 in ?? ()
#7  0x000000001062dafc in toplev_main(int, char**) ()
#8  0x000000001010ea88 in main ()