One instruction sequence of MSIL might be very amenable to optimization, whereas another (semantically equivalent) sequence stifles optimization.

一个MSIL指令序列也许能够很好地进行优化，但另一个(语义上等同的)序列却可能抑制优化。

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If any detail of a generated bytecode instruction sequence is wrong, the class containing that bytecode will fail verification when you attempt to load it into a JVM.

如果生成的字节码指令序列的任何细节有误，那么把包含这个字节码的类装入jvm时，检验就会失败。

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BCPMethodReturnCheck is easily described as a sequence of patterns that looks for the invocation of certain methods followed by a POP or POP2 instruction.

BCPMethodReturnCheck可以很容易地描述为一组模式，它查找在POP或者POP2指令后面调用某些方法的地方。

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