Hi,
tested x86_64-linux, committed to mainline.
Paolo.
////////////////////
/cp
2011-04-28 Paolo Carlini <[email protected]>
PR c++/48530
* tree.c (build_cplus_new): Check build_target_expr return
value for error_mark_node.
/testsuite
2011-04-28 Paolo Carlini <[email protected]>
PR c++/48530
* g++.dg/cpp0x/sfinae18.C: New.
Index: testsuite/g++.dg/cpp0x/sfinae18.C
===================================================================
--- testsuite/g++.dg/cpp0x/sfinae18.C (revision 0)
+++ testsuite/g++.dg/cpp0x/sfinae18.C (revision 0)
@@ -0,0 +1,17 @@
+// PR c++/48530
+// { dg-options -std=c++0x }
+
+template<class T,
+ class = decltype(T())
+>
+char f(int);
+
+template<class>
+char (&f(...))[2];
+
+struct DelDtor {
+ DelDtor() = default;
+ ~DelDtor() = delete;
+};
+
+static_assert(sizeof(f<DelDtor>(0)) != 1, "Error");
Index: cp/tree.c
===================================================================
--- cp/tree.c (revision 173061)
+++ cp/tree.c (working copy)
@@ -1,6 +1,6 @@
/* Language-dependent node constructors for parse phase of GNU compiler.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Hacked by Michael Tiemann ([email protected])
@@ -456,8 +456,10 @@ build_cplus_new (tree type, tree init, tsubst_flag
return rval;
rval = build_target_expr (slot, rval, complain);
- TARGET_EXPR_IMPLICIT_P (rval) = 1;
+ if (rval != error_mark_node)
+ TARGET_EXPR_IMPLICIT_P (rval) = 1;
+
return rval;
}
