[Mono-bugs] [Bug 82666][Nor] New - yield break in try/catch creates unverifiable code

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Sun Sep 2 18:45:47 EDT 2007


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Changed by monobugs at sharifibrahim.com.

http://bugzilla.ximian.com/show_bug.cgi?id=82666

--- shadow/82666	2007-09-02 18:45:47.000000000 -0400
+++ shadow/82666.tmp.13514	2007-09-02 18:45:47.000000000 -0400
@@ -0,0 +1,57 @@
+Bug#: 82666
+Product: Mono: Compilers
+Version: 1.2
+OS: All
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Normal
+Component: C#
+AssignedTo: rharinath at novell.com                            
+ReportedBy: monobugs at sharifibrahim.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: yield break in try/catch creates unverifiable code
+
+When compiling the test program with gmcs, the resulting assembly is not
+verifiable with peverify on MS.NET.  When compiled with csc, the assembly
+can be verified without error.  I am using Mono from the latest SVN (r85197).
+
+Steps to reproduce the problem:
+1. Compile test program with gmcs
+2. Attempt to verify IL with PEVerify on MS.NET
+
+Actual Results:
+[IL]: Error: [TestCaseGMCS.dll :
+TestCase.TestClass+<>c__CompilerGenerated0::MoveNext][offset 0x0000000C]
+Branch out of try block.
+1 Error Verifying TestCaseGMCS.dll
+
+Expected Results:
+Successful verification
+
+How often does this happen? 
+Every time.
+
+Additional information:
+Test program:
+
+using System.Collections;
+
+namespace TestCase
+{
+	class TestClass 
+	{
+		public static IEnumerable TestMethod()
+		{
+			try
+			{
+				yield break;
+			}
+			finally {}
+		}
+	}
+}


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