Revert r88939.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89066 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index c81ab73..98b417a 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -48,7 +48,7 @@
 //===----------------------------------------------------------------------===//
 /// CompileUnit - This dwarf writer support class manages information associate
 /// with a source file.
-class VISIBILITY_HIDDEN CompileUnit {
+class CompileUnit {
   /// ID - File identifier for source.
   ///
   unsigned ID;
@@ -241,7 +241,7 @@
 /// DbgConcreteScope - This class is used to track a scope that holds concrete
 /// instance information.
 ///
-class VISIBILITY_HIDDEN DbgConcreteScope : public DbgScope {
+class DbgConcreteScope : public DbgScope {
   CompileUnit *Unit;
   DIE *Die;                           // Debug info for this concrete scope.
 public: