Chris Lattner a67138ddff Avoid referencing deleted DSgraphs when merging an SCC into a larger SCC. This
fixes the crash in 176.gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11033 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 21:02:18 +00:00
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2003-11-12 00:40:34 +00:00
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2003-12-11 21:48:18 +00:00
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