[Mono-bugs] [Bug 82137][Nor] New - s390/s390x don't handle specific function calls correctly

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Changed by rolfkvinge at ya.com.

http://bugzilla.ximian.com/show_bug.cgi?id=82137

--- shadow/82137	2007-07-19 09:18:57.000000000 -0400
+++ shadow/82137.tmp.27766	2007-07-19 09:18:57.000000000 -0400
@@ -0,0 +1,99 @@
+Bug#: 82137
+Product: Mono: Runtime
+Version: 1.0
+OS: other
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Normal
+Component: JIT
+AssignedTo: lupus at ximian.com                            
+ReportedBy: rolfkvinge at ya.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: s390/s390x don't handle specific function calls correctly
+
+Repro:
+
+using System;
+
+class C
+{
+	static void Main ()
+	{
+		C c = new C ();
+		c.Test ();
+	}	
+	public void Test ()
+	{
+		Token tok = new Token ();
+		tok.m_TokenObject = "something";
+
+		Console.WriteLine ("Sending: {0}", tok.m_TokenObject);
+		Test (tok, null, null, null, null, new Span ());
+		// Test (tok, null, null, null, null, 2);
+		Console.WriteLine ("Got back: {0}", tok.m_TokenObject);
+	}
+
+	public void Test (Token tok, object a, object b, object c, object 
+d, long Location)
+	{
+		Console.WriteLine ("Got: {0}", tok.m_TokenObject);
+	}
+
+	public void Test (Token tok, object a, object b, object c, object 
+d, Span Location)
+	{
+		Console.WriteLine ("Got: {0}", tok.m_TokenObject);
+	}
+
+}
+
+struct Token
+{
+	public object m_TokenObject;
+	public long m_Location; 
+}
+
+struct Span
+{
+	public long m_Line;
+}
+
+Actual result:
+Sending: something
+Got:
+Got back: something
+
+Expected result:
+Sending: something
+Got: something
+Got back: something
+
+Notes:
+- Uncommenting the commented line will show this:
+Sending: something
+Got:
+
+Unhandled Exception: System.NullReferenceException: Object reference not 
+set to an instance of an object
+  at (wrapper stelemref) System.Object:stelemref (object,intptr,object)
+  at System.String.Format (System.String format, System.Object 
+arg0) [0x00000] in /home/builder/tmp/monobuild/build/BUILD/mono-82271/mcs/
+class/corlib/System/String.cs:1413
+  at System.IO.TextWriter.Write (System.String format, System.Object 
+arg0) [0x00000] in /home/builder/tmp/monobuild/build/BUILD/mono-82271/mcs/
+class/corlib/System.IO/TextWriter.cs:189
+  at System.IO.TextWriter.WriteLine (System.String format, System.Object 
+arg0) [0x00008] in /home/builder/tmp/monobuild/build/BUILD/mono-82271/mcs/
+class/corlib/System.IO/TextWriter.cs:304
+  at System.Console.WriteLine (System.String format, System.Object 
+arg0) [0x0000c] in /home/builder/tmp/monobuild/build/BUILD/mono-82271/mcs/
+class/corlib/System/Console.cs:419
+  at C.Test (Token tok, System.Object a, System.Object b, System.Object c, 
+System.Object d, Int64 Location) [0x00000]
+  at C.Test () [0x00000]
+  at C.Main () [0x00000]