re PR c++/40866 (ICE in create_tmp_var, at gimplify.c:504)

2009-08-10  Dodji Seketeli  <dodji@redhat.com>

gcc/ChangeLog:
	PR c++/40866
	* tree-inline.c (copy_statement_list): The resulting copy shouldn't
	loose the original type of the statement list.

gcc/testsuite/ChangeLog:
	PR c++/40866
	* g++.dg/expr/stmt-expr-1.C: New test.

From-SVN: r150615

gcc/ChangeLog

+2009-08-10  Dodji Seketeli  <dodji@redhat.com>
+
+	PR c++/40866
+	* tree-inline.c (copy_statement_list): The resulting copy shouldn't
+	loose the original type of the statement list.
+
 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
 
 	* config/alpha/alpha.c: Include libfuncs.h

gcc/testsuite/ChangeLog

+2009-08-10  Dodji Seketeli  <dodji@redhat.com>
+
+	PR c++/40866
+	* g++.dg/expr/stmt-expr-1.C: New test.
+
 2009-08-09  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/41016

gcc/testsuite/g++.dg/expr/stmt-expr-1.C

+// Contributed by Dodji Seketeli <dodji@redhat.com>
+// Origin PR c++/40866
+// { dg-options "-std=gnu++98" }
+// { dg-do "compile" }
+
+template <typename T> class QForeachContainer {
+public:
+    QForeachContainer();
+    int brk;
+    typename T::const_iterator i;
+};
+
+template <typename T> class QList {
+public:
+    class const_iterator {
+    public:
+        const_iterator(const const_iterator &o);
+        const_iterator &operator++();
+    };
+};
+
+class QAction;
+class QWidget {
+public:
+    QList<QAction*> actions() const;
+};
+class myDialog : public QWidget {
+    myDialog();
+};
+
+myDialog::myDialog()
+{
+    QForeachContainer<__typeof__(actions())> _container_;
+    ({++_container_.brk; ++_container_.i;});
+}
+

gcc/tree-inline.c

@@ -600,6 +600,7 @@ copy_statement_list (tree *tp)
   new_tree = alloc_stmt_list ();
   ni = tsi_start (new_tree);
   oi = tsi_start (*tp);
+  TREE_TYPE (new_tree) = TREE_TYPE (*tp);
   *tp = new_tree;
 
   for (; !tsi_end_p (oi); tsi_next (&oi))