2005-08-23 Atsushi Enomoto <atsushi@ximian.com>

in mcs:
	* expression.cs : in DoNumericPromotions(), check if there is implicit
	  conversion overload for string (to check CS0034). Fixed bug #52492.

in tests:
	* test-440.cs : non-CS0034 case (overload for double and int is valid).

in errors:
	* cs0034-2.cs : for bug #52492.


svn path=/trunk/mcs/; revision=48759

1 files changed, 19 insertions, 0 deletions

diff --git a/mcs/tests/test-440.cs b/mcs/tests/test-440.cs
new file mode 100644
index 00000000000..d8fe33765c3
--- /dev/null
+++ b/mcs/tests/test-440.cs
@@ -0,0 +1,19 @@
+public class A {
+	public static implicit operator double (A a)
+	{
+		return 0.5;
+	}
+
+	// unlike CS0034 case, two or more implicit conversion on other 
+	// than string is still valid.
+	public static implicit operator int (A a)
+	{
+		return 0;
+	}
+
+	public static void Main ()
+	{
+		A a = new A ();
+		object p = a + a;
+	}
+}