Dinakar and I fixed a bug where we were trying to get the initializer of an external constant.  Since external constants don't have initializers, we were failing on an assert() call in llvm/GlobalVariable.h.
Dinakar and I fixed a bug where we were trying to get the initializer of
an external constant.  Since external constants don't have initializers, we
were failing on an assert() call in llvm/GlobalVariable.h.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@7193 91177308-0d34-0410-b5e6-96231b3b80d8

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