[analyzer] Refactoring: Move checkers into lib/GR/Checkers and their own library, libclangGRCheckers

llvm-svn: 122422

llvm-svn: 122421

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to 'assumeXXX'.

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'evalXXX'.

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reflects what the class actually does.

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allocation sizes of 0 bytes.

Fixes PR 2899.

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to the new constants.

llvm-svn: 112047

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This is still not an ideal solution, but should disable the check for other
targets where the value of O_CREAT is different.

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looking into an alternate fix right now.

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automatic storage.  This matches the corresponding check for 'dispatch_once()'.

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to various unix/posix functions, e.g. 'open()'.

As a first check, check that when 'open()' is passed 'O_CREAT' that it has
a third argument.

llvm-svn: 97086