[LLVMbugs] [Bug 16658] New: clang33 crashes (sigabort) compiling perl module Math::Int128 on FreeBSD 9.1 i386

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=16658

            Bug ID: 16658
           Summary: clang33 crashes (sigabort) compiling perl module
                    Math::Int128 on FreeBSD 9.1 i386
           Product: clang
           Version: 3.3
          Hardware: PC
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: clang at opsec.eu
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

clang33 fails with

clang33 -c  -I.  -O2 -pipe -fno-strict-aliasing -O2 -pipe -fno-strict-aliasing 
  -DVERSION=\"0.10\"  -DXS_VERSION=\"0.10\" -DPIC -fPIC
"-I/usr/local/lib/perl5/5.16/mach/CORE"   Int128.c
[...]
UNREACHABLE executed!
Stack dump:
0.      Program arguments: /usr/local/llvm33/bin/clang -cc1 -triple
i386-portbld-freebsd9.1 -emit-obj -disable-free -disable-llvm-verifier
-main-file-name Int128.c -mrelocation-model pic -pic-level 2 -mdisable-fp-elim
-relaxed-aliasing -masm-verbose -mconstructor-aliases -target-cpu i486
-target-linker-version 2.23.2 -coverage-file
/usr/local/home/pi/myp/math/p5-Math-Int128/work/Math-Int128-0.10/Int128.o
-resource-dir /usr/local/llvm33/bin/../lib/clang/3.3 -D VERSION="0.10" -D
XS_VERSION="0.10" -D PIC -I . -I /usr/local/lib/perl5/5.16/mach/CORE -O2
-fdebug-compilation-dir
/usr/local/home/pi/myp/math/p5-Math-Int128/work/Math-Int128-0.10 -ferror-limit
19 -fmessage-length 0 -mstackrealign -fobjc-runtime=gnustep
-fobjc-default-synthesize-properties -fdiagnostics-show-option -backend-option
-vectorize-loops -o Int128.o -x c Int128.c 
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module 'Int128.c'.
4.      Running pass 'X86 DAG->DAG Instruction Selection' on function
'@XS_Math__Int128__mul'
clang: error: unable to execute command: Abort trap: 6 (core dumped)
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
[...]
clang: note: diagnostic msg: /tmp/Int128-apBJtv.c
clang: note: diagnostic msg: /tmp/Int128-apBJtv.sh
[...]

The full details see 

http://opsec.eu/backup/misc.tgz with
the full compile log and the two files mentioned above
and
http://opsec.eu/backup/port.tgz
with the full contents of the ports directory.

The problem came up updating and debugging the freebsd math/p5-Math-Int128
port,
see

http://www.freebsd.org/cgi/query-pr.cgi?pr=180487                               

for details.

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