minor DominatorSetBase patch

The attached patch fixes the behavior of the DominatorSetBase::dominates(Instruction*, Instruction*) method for derived Postdominator classes.

Naveen

Dominators.cpp.patch (727 Bytes)

Looks great, applied:
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20050425/025804.html

Thanks!

-Chris