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 - This doesn't follow normal installation procedure of python
   code, but no sense trying too hard since ccc will be moved to
   C++.

 - Entry point is now tools/ccc.


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with @synthesize being illegal.


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SourceManager::getFileCharacteristic(FileID) method: we need a 
full location to know if it is a system header etc in the future.


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safe because a #line can change the file characteristic on a per-loc
basis.



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safe because a #line can change the file characteristic on a per-loc
basis.


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no longer such thing as a non-canonical FileID.


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Run destructors of MacroInfo objects to free memory they allocate.  This addresses <rdar://problem/6506035>.

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SourceManager::getBuffer(SourceLocation) method.


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SourceLocation.  This requires making some cleanups to token pasting
and _Pragma expansion.



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Fix type of logical negation for C++.

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should. This needs cleanup.


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Anders noticed.


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These actions are extremely widely used (identifier expressions and literals); still no performance regression.

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allocating them from a recycling bump pointer allocator.  This 
reduces malloc/free traffic of parse-noop (but no other mode),
which makes sharking -parse-noop more meaningful.



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rearrange GetIdentifierInfo so that the fast path can be partially inlined into PTHLexer::Lex.  This speeds up the user time of PTH -Eonly by another 2ms (4.4%)


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there is one of these per header, this almost always gets alloc/free'd for
each #ifdef.


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instead of assembling from bytes.  This speeds up -Eonly PTH reading 
of cocoa.h by about 2ms, which is 4.2%.


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copies.  I verified that this causes no performance change in PTH.


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