[cilkplus] Fix cilk_spawn gimplification bug (PR cilkplus/69048)

	PR c++/69048
	* cilk.c (create_cilk_wrapper_body): Call fold_build_cleanup_point_expr
	 to add missing cleanup point.

	PR c++/69048
	* g++.dg/cilk-plus/CK/pr69048.cc: New test.

From-SVN: r232393

gcc/c-family/ChangeLog

+2015-01-14 Ryan Burn  <contact@rnburn.com>
+
+	PR c++/69048
+	* cilk.c (create_cilk_wrapper_body): Call fold_build_cleanup_point_expr
+	 to add missing cleanup point.
+
 2016-01-14  David Malcolm  <dmalcolm@redhat.com>
 
 	PR c++/68819

gcc/c-family/cilk.c

@@ -592,6 +592,11 @@ create_cilk_wrapper_body (tree stmt, struct wrapper_data *wd)
   for (p = wd->parms; p; p = TREE_CHAIN (p))
     DECL_CONTEXT (p) = fndecl;
 
+  /* The statement containing the spawn expression might create temporaries with
+     destructors defined; if so we need to add a CLEANUP_POINT_EXPR to ensure
+     the expression is properly gimplified.  */
+  stmt = fold_build_cleanup_point_expr (void_type_node, stmt);
+
   gcc_assert (!DECL_SAVED_TREE (fndecl));
   cilk_install_body_with_frame_cleanup (fndecl, stmt, (void *) wd);
   gcc_assert (DECL_SAVED_TREE (fndecl));

gcc/testsuite/ChangeLog

+2015-01-14 Ryan Burn  <contact@rnburn.com>
+
+	PR c++/69048
+	* g++.dg/cilk-plus/CK/pr69048.cc: New test.
+
 2016-01-14  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 
 	PR testsuite/67509

gcc/testsuite/g++.dg/cilk-plus/CK/pr69048.cc

+/* { dg-do compile } */
+/* { dg-options "-fcilkplus" } */
+
+struct A {
+  ~A () {}
+};
+
+A f () {
+  return A ();
+}
+
+void t1 () {
+  _Cilk_spawn f ();
+}