diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 855844688b6..c282992ec83 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-30  Jason Merrill  <jason@redhat.com>
+
+	* call.c (convert_like_real): Correct TREE_CONSTANT on CONSTRUCTOR.
+	* decl.c (reshape_init_array_1): Likewise.
+
 2011-03-29  Jason Merrill  <jason@redhat.com>
 
 	PR c++/48265
diff --git a/gcc/cp/call.c b/gcc/cp/call.c
index a1cfa96e795..f7d108fffd8 100644
--- a/gcc/cp/call.c
+++ b/gcc/cp/call.c
@@ -5481,6 +5481,8 @@ convert_like_real (conversion *convs, tree expr, tree fn, int argnum,
 	    if (!BRACE_ENCLOSED_INITIALIZER_P (val))
 	      check_narrowing (TREE_TYPE (sub), val);
 	    CONSTRUCTOR_APPEND_ELT (CONSTRUCTOR_ELTS (new_ctor), NULL_TREE, sub);
+	    if (!TREE_CONSTANT (sub))
+	      TREE_CONSTANT (new_ctor) = false;
 	  }
 	/* Build up the array.  */
 	elttype = cp_build_qualified_type
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 16ccfaf5b69..d9c9ad80e65 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -4905,6 +4905,8 @@ reshape_init_array_1 (tree elt_type, tree max_index, reshape_iter *d)
 	return error_mark_node;
       CONSTRUCTOR_APPEND_ELT (CONSTRUCTOR_ELTS (new_init),
 			      size_int (index), elt_init);
+      if (!TREE_CONSTANT (elt_init))
+	TREE_CONSTANT (new_init) = false;
     }
 
   return new_init;