re PR c++/41997 ([C++0x] constant initializer_list not optimised)

	PR c++/41997
	* semantics.c (finish_compound_literal): Use
	cp_apply_type_quals_to_decl when creating a static variable.

From-SVN: r156760

gcc/cp/ChangeLog

+2010-02-14  Jason Merrill  <jason@redhat.com>
+
+	PR c++/41997
+	* semantics.c (finish_compound_literal): Use
+	cp_apply_type_quals_to_decl when creating a static variable.
+
 2010-02-12  Jason Merrill  <jason@redhat.com>
 
 	PR c++/43024

gcc/cp/semantics.c

@@ -2257,6 +2257,7 @@ finish_compound_literal (tree type, tree compound_literal)
       tree decl = create_temporary_var (type);
       DECL_INITIAL (decl) = compound_literal;
       TREE_STATIC (decl) = 1;
+      cp_apply_type_quals_to_decl (cp_type_quals (type), decl);
       decl = pushdecl_top_level (decl);
       DECL_NAME (decl) = make_anon_name ();
       SET_DECL_ASSEMBLER_NAME (decl, DECL_NAME (decl));

gcc/testsuite/ChangeLog

+2010-02-14  Jason Merrill  <jason@redhat.com>
+
+	PR c++/41997
+	* g++.dg/cpp0x/initlist-opt.C: New.
+
 2010-02-13  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/41113

gcc/testsuite/g++.dg/cpp0x/initlist-opt.C

+// PR c++/41997
+// { dg-options "-std=c++0x -O2 -fdump-tree-optimized" }
+// { dg-final { scan-tree-dump-not "_0" "optimized" } }
+// { dg-final { cleanup-tree-dump "optimized" } }
+
+#include <initializer_list>
+
+int max_val(std::initializer_list<int> il)
+{
+        int i = *(il.begin());
+        int j = *(il.begin() + 1);
+        return (i > j ? i : j);
+}
+
+int main(void)
+{
+        return max_val({1,2});
+}
+