[LLVMbugs] [Bug 4646] New: Key manager, EH frames, JIT and Mac OS X 10.5.7 (llvm 2.5)

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4646

           Summary: Key manager, EH frames, JIT and Mac OS X 10.5.7 (llvm
                    2.5)
           Product: new-bugs
           Version: unspecified
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: basu.samit at gmail.com
                CC: llvmbugs at cs.uiuc.edu


There seems to be an issue in LLVM v2.5 with proper operation of exceptions
within an application once the JIT is created (I know, I know, the JIT does not
do exceptions yet).  My app crashes each time it throws an exception after it
first initializes the JIT.  I noticed that in JIT.cpp in the trunk that the key
manager is not used to register EH frames (see r69090).  This patch appears to
be active for Mac OS X 10.5 and beyond -- the comment in the log suggests 10.6,
but I encounter the issue on 10.5.7.  I was unable to make HowToUseJIT
reproduce the problem, but the existence of r69090 suggests this is a known
issue.  Disabling the key manager call appears to make everything work as
expected.


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