diff --git a/gcc/jit/ChangeLog b/gcc/jit/ChangeLog
index a809566beb2..afe1e66b493 100644
--- a/gcc/jit/ChangeLog
+++ b/gcc/jit/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-08  David Malcolm  <dmalcolm@redhat.com>
+
+	* libgccjit++.h: Indent the forward declarations of the classes to
+	show the inheritance hierarchy.
+
 2014-12-08  David Malcolm  <dmalcolm@redhat.com>
 
 	* notes.txt: Show the beginning and ending of
diff --git a/gcc/jit/libgccjit++.h b/gcc/jit/libgccjit++.h
index 67ed5d5ee1e..7f6718bf779 100644
--- a/gcc/jit/libgccjit++.h
+++ b/gcc/jit/libgccjit++.h
@@ -32,16 +32,19 @@ along with GCC; see the file COPYING3.  If not see
 
 namespace gccjit
 {
+  /* Indentation indicates inheritance.  */
   class context;
-  class location;
-  class field;
-  class type;
-  class struct_;
-  class param;
-  class function;
-  class block;
-  class rvalue;
-  class lvalue;
+  class error;
+  class object;
+    class location;
+    class field;
+    class type;
+      class struct_;
+    class function;
+    class block;
+    class rvalue;
+     class lvalue;
+       class param;
 
   /* Errors within the API become C++ exceptions of this class.  */
   class error