[LLVMbugs] [Bug 4048] New: Mysterious crash in pass `Simple Register Coalescing'

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4048

           Summary: Mysterious crash in pass `Simple Register Coalescing'
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: ed at 80386.nl
                CC: llvmbugs at cs.uiuc.edu
            Blocks: 3696


Created an attachment (id=2863)
 --> (http://llvm.org/bugs/attachment.cgi?id=2863)
Reduced testcase

The attached code will cause Clang to crash. Because it seems to be related to
inline asm, I'm filing it under Backend: X86.

Stack dump:
0.      Program arguments: /usr/bin/../libexec/clang-cc -triple
x86_64-undermydesk-freebsd8.0 -S -disable-free -main-file-name llvm-crash2.c
--relocation-model static --disable-fp-elim --unwind-tables=1 --fmath-errno=1
-O2 -fdiagnostics-show-option -o /tmp/cc-R9jTht.s -x c /home/ed/llvm-crash2.c 
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Simple Register Coalescing' on function
'@ixgbe_set_vfta_82599'


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