Change errs() to dbgs().

llvm-svn: 92587
diff --git a/llvm/lib/CodeGen/VirtRegMap.cpp b/llvm/lib/CodeGen/VirtRegMap.cpp
index c8c5d86..d4fb2e4 100644
--- a/llvm/lib/CodeGen/VirtRegMap.cpp
+++ b/llvm/lib/CodeGen/VirtRegMap.cpp
@@ -278,5 +278,5 @@
 }
 
 void VirtRegMap::dump() const {
-  print(errs());
+  print(dbgs());
 }