Fix instantiation of transaction expressions.

	gcc/cp/
	* pt.c (tsubst_copy_and_build): Handle TRANSACTION_EXPR.

	gcc/testsuite/
	* g++.dg/tm/template-2.C: New test.

From-SVN: r181601

gcc/cp/ChangeLog

+2011-11-21  Torvald Riegel  <triegel@redhat.com>
+
+	* pt.c (tsubst_copy_and_build): Handle TRANSACTION_EXPR.
+
 2011-11-21  Ed Smith-Rowland  <3dw4rd@verizon.net>
 
 	PR c++/50958

gcc/cp/pt.c

@@ -14290,6 +14290,10 @@ tsubst_copy_and_build (tree t,
 	return r;
       }
 
+    case TRANSACTION_EXPR:
+      return tsubst_expr(t, args, complain, in_decl,
+	     integral_constant_expression_p);
+
     default:
       /* Handle Objective-C++ constructs, if appropriate.  */
       {

gcc/testsuite/ChangeLog

+2011-11-21  Torvald Riegel  <triegel@redhat.com>
+
+	* g++.dg/tm/template-2.C: New test.
+
 2011-11-21  Jakub Jelinek  <jakub@redhat.com>
 
 	PR debug/50827

gcc/testsuite/g++.dg/tm/template-2.C

+// { dg-do compile }
+// { dg-options "-fgnu-tm -O -std=c++0x -fdump-tree-tmmark" }
+
+struct TrueFalse
+{
+};
+
+int global;
+
+template<typename T> int foo()
+{
+  return __transaction_atomic (global + 2)
+         + __transaction_atomic (global + 3);
+}
+
+int f1()
+{
+  return foo<TrueFalse>();
+}
+
+/* { dg-final { scan-tree-dump-times "ITM_RU" 2 "tmmark" } } */
+/* { dg-final { cleanup-tree-dump "tmmark" } } */