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* Add code to fix PHI nodes that are missing arguments. These PHI nodes can be generated by GCC if there is an uninitialized variable flowing into a merge point. For example: int foo(int y) { int X; if (y) X = 1; return X; } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1110 91177308-0d34-0410-b5e6-96231b3b80d8