Review Request: Declaration::hasUses fix

[Aleix Pol Gonzalez]

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http://git.reviewboard.kde.org/r/101722/
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Review request for KDevelop.


Summary
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In cases like the following didn't return false, even though 'a' is not being used:

int f()
{
  QByteArray a;
}

One would expect it to be a fast equivalent of !Declaration::uses().isEmpty(), but the result wasn't the same.
This change is also removing some calls in DUChain::uses()->hasUses (in case there's already a use in the local context) which I guess it's useful as well.


Diffs
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  language/duchain/declaration.cpp b3a7700 

Diff: http://git.reviewboard.kde.org/r/101722/diff


Testing
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I've played with some code with some scripts from my thesis.


Thanks,

Aleix

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