[Mono-bugs] [Bug 541840] Cannot inspect any exception variable

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Fri Oct 9 11:41:05 EDT 2009


User martin at novell.com added comment

--- Comment #5 from Martin Baulig <martin at novell.com>  2009-10-09 09:41:04 MDT ---
This is a compiler bug, it's emitting incorrect symbol information.

The method is compiled as:

        .try { // 0
          IL_0000:  ldstr "k5"
          IL_0005:  call int32 int32::Parse(string)
          IL_000a:  pop 
          IL_000b:  leave IL_001c

        } // end .try 0
        catch class [mscorlib]System.Exception { // 0
          IL_0010:  stloc.0 
          IL_0011:  ldloc.0 
          IL_0012:  call void class [mscorlib]System.Console::WriteLine(object)
          IL_0017:  leave IL_001c

        } // end handler 0
        IL_001c:  ret 

and we emit

Method 2 (6000002) - Program.Main(string[])
  CodeBlock [CodeBlock 0:-1:Lexical:0:b]
  CodeBlock [CodeBlock 1:-1:Lexical:10:10]
  CodeBlock [CodeBlock 2:-1:Lexical:11:17]
  Local [LocalVariable e:0:1]

The first lexical block is correct (csc marks the 'leave' as 'hidden', but
that's not a problem).

The second one isn't needed at all and should be removed.

The third block has correct start / end offsets, but the exception variable
points to block 2 and not 3.

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