[LLVMbugs] [Bug 7031] New: 'Linear Scan Register Allocator' + -g crashes

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=7031

           Summary: 'Linear Scan Register Allocator' + -g crashes
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: rdivacky at freebsd.org
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=4813)
 --> (http://llvm.org/bugs/attachment.cgi?id=4813)
test case

pes delta$ clang -O2 -c bwn.c && echo success

     ...warnings....

success


pes delta$ clang -O2 -g -c bwn.c && echo success

     ....warnings...

Stack dump:
0.      Program arguments: /usr/local/bin/clang -cc1 -triple
x86_64-unknown-freebsd8.0 -S -disable-free -main-file-name bwn.c
-mrelocation-model static -mdisable-fp-elim -mconstructor-aliases
-munwind-tables -target-cpu x86-64 -g -resource-dir /usr/local/lib/clang/2.0
-O2 -ferror-limit 19 -ftemplate-backtrace-limit 10 -fmessage-length 152
-fgnu-runtime -fdiagnostics-show-option -fcolor-diagnostics -o /tmp/cc-DG7JQf.s
-x c bwn.c 
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Linear Scan Register Allocator' on function
'@bwn_key_dowrite'
clang: error: compiler command failed due to signal 11 (use -v to see
invocation)

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