[LLVMbugs] [Bug 191] [licm] Memory read after free causes infrequent crash

[bugzilla-daemon at zion.cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=191

sabre at nondot.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
           Keywords|                            |compile-fail
         Resolution|                            |FIXED
   Target Milestone|---                         |1.2



------- Additional Comments From sabre at nondot.org  2003-12-18 02:14 -------
Fixing the bug was easy, just remove values from the AliasSetTracker when we
remove them from the program:
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20031215/010278.html

The only complication is that we had to rearrange AliasSetTracker a bit to
implement the AST::remove method:
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20031215/010276.html
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20031215/010277.html

-Chris



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