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I decompiled it and saw the IL code, I am not very familiar with MSIL code, but I think the if clause is still there.
– Cui Pengfei 崔鹏飞
Commented Apr 23, 2011 at 16:21
@CuiPengFei: The "if (false)" statement is probably going to be optimized by the JIT compiler then. Not all optimizations need to be made to IL code. The compiler may just let the known JIT optimizations be made by JIT compiler.
– Miguel Angelo
Commented Apr 24, 2011 at 0:43
1

When you start debug session from VS it suppresses JIT optimization. I can reproduce an issue even if Suppress JIT optimization on module load (Managed only) settings enabled for my VS. It means that JIT optimization has nothing to do to this behavior.
– Dennis
Commented Apr 24, 2011 at 0:52

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