Chris Lattner a51c39cc32 add a new CallGraphNode::replaceCallEdge method and use it from
argpromote to avoid invalidating an iterator.  This fixes PR4977.
All clang tests now pass with expensive checking (on my system 
at least).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81843 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 05:40:35 +00:00
..
2009-08-11 16:02:12 +00:00
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