Something

MONO_PATH="../../../class/lib/default:$MONO_PATH" /Users/plasma/Documents/Development/mono/SVN/Sources/mono/runtime/monodis-wrapper ../../../class/lib/default/Microsoft.VisualBasic.dll | perl ./fixup.pl > default/Microsoft.VisualBasic.ilt
mv default/Microsoft.VisualBasic.ilt default/Microsoft.VisualBasic.il
MONO_PATH="../../../class/lib/net_1_1_bootstrap:$MONO_PATH" /Users/plasma/Documents/Development/mono/SVN/Sources/mono/runtime/mono-wrapper ../../../class/lib/net_1_1_bootstrap/ilasm.exe /out:default/Microsoft.VisualBasic.dll default/Microsoft.VisualBasic.il
Assembling 'default/Microsoft.VisualBasic.il' , no listing file, to exe --> 'default/Microsoft.VisualBasic.dll'

syntax error, got token `ASSIGN'
Error at: line (14471) column (2)

Unhandled Exception: Mono.ILASM.yyParser.yyException: irrecoverable syntax errorin <0x00db8> Mono.ILASM.ILParser:yyparse (yyInput yyLex)
in <0x000cc> Mono.ILASM.ILParser:yyparse (yyInput yyLex, System.Object yyd)