[LLVMbugs] [Bug 5160] New: ValueHandle is easy to confuse with active CallbackVHs

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=5160

           Summary: ValueHandle is easy to confuse with active CallbackVHs
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: ASSIGNED
          Severity: normal
          Priority: P2
         Component: Core LLVM classes
        AssignedTo: jyasskin at google.com
        ReportedBy: jyasskin at google.com
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=3634)
 --> (http://llvm.org/bugs/attachment.cgi?id=3634)
Some tests for the brokenness

When CallbackVHs modify ValueHandles that refer to the same Value, this can
crash the program or cause AssertingVHs to fail when they actually no longer
refer to the Value. I'll be working on a fix.


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