re PR c++/89356 (sorry, unimplemented: mangling implicit_conv_expr in nodejs8…

re PR c++/89356 (sorry, unimplemented: mangling implicit_conv_expr in nodejs8 package since r268321)

	PR c++/89356
	* g++.dg/abi/mangle68.C: New test.
	* g++.dg/cpp0x/decltype69.C: New test.

From-SVN: r268972

gcc/testsuite/ChangeLog

@@ -8,6 +8,10 @@
 	PR c++/89315
 	* g++.dg/cpp0x/initlist114.C: New test.
 
+	PR c++/89356
+	* g++.dg/abi/mangle68.C: New test.
+	* g++.dg/cpp0x/decltype69.C: New test.
+
 2019-02-16  David Malcolm  <dmalcolm@redhat.com>
 
 	PR c++/88680

gcc/testsuite/g++.dg/abi/mangle68.C

+// PR c++/89356
+// { dg-do compile { target c++11 } }
+
+template<typename T>
+auto fn () -> decltype(unsigned{2u} + (T)3) { return 42; }
+
+// { dg-final { scan-assembler "_Z2fnIiEDTpltljLj2EEcvT_Li3EEv" } }
+template auto fn<int>() -> decltype(unsigned{2u} + (int)3);

gcc/testsuite/g++.dg/cpp0x/decltype69.C

+// PR c++/89356
+// { dg-do compile { target c++11 } }
+
+typedef unsigned a;
+template <typename> struct h {};
+template <int, class b> auto c(b f) -> h<decltype(f(a{0}))>;
+typedef char byte;
+enum d : byte;
+d g(byte);
+h<d> e = c<6>(g);