diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 000a78149a4..36393023df0 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,8 @@
 2011-06-16  Jason Merrill  <jason@redhat.com>
 
+	PR c++/45378
+	* decl.c (check_initializer): Check narrowing.
+
 	PR c++/49229
 	* pt.c (tsubst_decl) [FUNCTION_DECL]: Handle substitution failure.
 
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 29edbe3865c..0584cd8f6f7 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -5464,7 +5464,11 @@ check_initializer (tree decl, tree init, int flags, tree *cleanup)
 	      init = error_mark_node;
 	    }
 	  else
-	    init = reshape_init (type, init, tf_warning_or_error);	    
+	    {
+	      init = reshape_init (type, init, tf_warning_or_error);
+	      if (cxx_dialect >= cxx0x && SCALAR_TYPE_P (type))
+		check_narrowing (type, init);
+	    }
 	}
 
       /* If DECL has an array type without a specific bound, deduce the
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 0da84e5642d..f8b82beb24d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2011-06-16  Jason Merrill  <jason@redhat.com>
 
+	PR c++/45378
+	* g++.dg/cpp0x/initlist52.C New.
+
 	PR c++/45399
 	* c-c++-common/raw-string-12.c: New.
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/initlist52.C b/gcc/testsuite/g++.dg/cpp0x/initlist52.C
new file mode 100644
index 00000000000..22bc2873c7c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/initlist52.C
@@ -0,0 +1,7 @@
+// PR c++/45378
+// { dg-options -std=c++0x }
+
+int main()
+{
+   int x { 22.2 };		// { dg-error "narrowing" }
+}