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I tried to run a .NET program from
Unhandled Exception: System.InvalidOperationException: WinForms_SeeInnerException ---> System.InvalidProgramException: Method
SR4CG.Form1:InitializeComponent () is too complex.
Mono JIT compiler version 18.104.22.168 (Debian 22.214.171.124-3)
Copyright (C) 2002-2011 Novell, Inc, Xamarin, Inc and Contributors. www.mono-project.com
LLVM: supported, not enabled.
GC: Included Boehm (with typed GC and Parallel Mark)
openSUSE 13.2, mono 4.0.1, I still see this bug. After googling it seems it has something go heavy methods, in my case it is around of 30K _lines_ of code (around 10K statements).
It is possible to run the program applying "-O=-inline" option.
On Windows the same program runs without any problem.
Update: "inline" hack was good when it worked, not anymore. I have constructor (auto-generated) with around 34K lines now, and even with "inline" option mono refuses to run the program "constructor is too complex".
We no longer have that restriction.