[Mono-bugs] [Bug 81601][Blo] New - switch with goto case/default gives wrong IL when condition is literal
bugzilla-daemon at bugzilla.ximian.com
bugzilla-daemon at bugzilla.ximian.com
Fri May 11 14:12:23 EDT 2007
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Changed by ujihara at aurora.dti.ne.jp.
http://bugzilla.ximian.com/show_bug.cgi?id=81601
--- shadow/81601 2007-05-11 14:12:23.000000000 -0400
+++ shadow/81601.tmp.3469 2007-05-11 14:12:23.000000000 -0400
@@ -0,0 +1,52 @@
+Bug#: 81601
+Product: Mono: Compilers
+Version: 1.2
+OS: Windows XP
+OS Details:
+Status: NEW
+Resolution:
+Severity:
+Priority: Blocker
+Component: C#
+AssignedTo: rharinath at novell.com
+ReportedBy: ujihara at aurora.dti.ne.jp
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL:
+Cc:
+Summary: switch with goto case/default gives wrong IL when condition is literal
+
+Description of Problem:
+'switch' statement including 'goto case' or 'goto default' statement
+gives wrong IL when the switch's condition is literal.
+
+Steps to reproduce the problem:
+
+1. Compile and execute the following program.
+public class A {
+ public static void Main(string[] arg) {
+ switch (10) {
+ case 10:
+ System.Console.Out.WriteLine(10);
+ goto default;
+ default:
+ System.Console.Out.WriteLine("default");
+ break;
+ }
+ }
+}
+
+Actual Results:
+Unhandled Exception: System.InvalidProgramException: Invalid IL code in
+A:Main (string[]): IL_000c: br IL_ffffffff
+
+Expected Results:
+10
+default
+
+How often does this happen?
+
+Always
+
+Additional Information:
+It also happens when we change 'goto default' into 'goto case 10'.
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