re PR objc++/48479 (Many ICEs in the obj-c++.dg test suite on *-apple-darwin*)

	PR objc++/48479
	* typeck.c (cxx_mark_addressable) [CONST_DECL]: Mark addressable
	and return immediately.

From-SVN: r172441

gcc/cp/ChangeLog

 2011-04-14  Nathan Froyd  <froydnj@codesourcery.com>
 
+	PR objc++/48479
+	* typeck.c (cxx_mark_addressable) [CONST_DECL]: Mark addressable
+	and return immediately.
+
+2011-04-14  Nathan Froyd  <froydnj@codesourcery.com>
+
 	* cp-tree.def (SWITCH_STMT): Add an extra operand.
 	* cp-objcp-common.c (cp_common_init_ts): Mark it as TS_TYPED.
 	* cp-tree.h (SWITCH_STMT_SCOPE): Define.

gcc/cp/typeck.c

@@ -5373,7 +5373,6 @@ cxx_mark_addressable (tree exp)
 		    || DECL_EXTERNAL (x));
 	/* Fall through.  */
 
-      case CONST_DECL:
       case RESULT_DECL:
 	if (DECL_REGISTER (x) && !TREE_ADDRESSABLE (x)
 	    && !DECL_ARTIFICIAL (x))
@@ -5391,6 +5390,7 @@ cxx_mark_addressable (tree exp)
 	TREE_ADDRESSABLE (x) = 1;
 	return true;
 
+      case CONST_DECL:
       case FUNCTION_DECL:
 	TREE_ADDRESSABLE (x) = 1;
 	return true;