Convert debug messages to use dbgs().  Generally this means
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92048 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/PostDominators.cpp b/lib/Analysis/PostDominators.cpp
index 69d6b47..c38e050 100644
--- a/lib/Analysis/PostDominators.cpp
+++ b/lib/Analysis/PostDominators.cpp
@@ -33,7 +33,7 @@
 
 bool PostDominatorTree::runOnFunction(Function &F) {
   DT->recalculate(F);
-  DEBUG(DT->print(errs()));
+  DEBUG(DT->print(dbgs()));
   return false;
 }