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useless 'instanceof' removal pass#194

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jpauli wants to merge 1 commit intozendtech:masterfrom
jpauli:instanceof_pass
Open

useless 'instanceof' removal pass#194
jpauli wants to merge 1 commit intozendtech:masterfrom
jpauli:instanceof_pass

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@jpauli
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@jpauli jpauli commented Oct 24, 2014

I met some users that used such statements just to hint their IDE about auto-completion.

$a instanceof Foo;

This is a useless statement that gets compiled and run every time for nothing (usually 3 OPCodes involved)

This PR adds a pass to optimize such statement

@Ocramius
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Missing test case?

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