[clang] Re-add deleted forward declaration.

diff --git a/clang/lib/CodeGen/ABIInfo.h b/clang/lib/CodeGen/ABIInfo.h
index 474e5c1..bb40dac 100644 (file)
--- a/clang/lib/CodeGen/ABIInfo.h
+++ b/clang/lib/CodeGen/ABIInfo.h
@@ -28,6 +28,7 @@ namespace clang {
 
 namespace CodeGen {
   class ABIArgInfo;
+  class Address;
   class CGCXXABI;
   class CGFunctionInfo;
   class CodeGenFunction;