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Add a couple of assertions to make sure the bitfields can fit the value assigned to them. No functionality change.

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Adjust test/Analysis/retain-release.m to also test the retain/release checker in Objective-C++ mode.

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Radar 9333566.  Patch by Chad Rosier!

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rhs when its 'forwarding' pointer may be modified 
in rhs evaluation as result of call to Block_copy.
// rdar://9309454


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positives still further.

The plan is to:

1) Create a more targeted warning for memset of memory pointing at
   a type with virtual methods or bases where a vptr would be
   overwritten.
2) Consider turning the above warning back on by default.
3) Evaluate whether any false positives in the existing warning can be
   detected and white listed in the warning implementation.
4) If #3 lowers the noise floor enough, enable the full warning in -Wall
   or -Wextra.

Comments or suggestions welcome. Even more welcome are specific test
cases which trigger the warning and shouldn't.

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Change -Wparentheses to not imply -Widiomatic-parentheses.  Users rarely want to see these warnings, and often explicitly pass -Wparentheses.

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actually have to implement them, since in modern versions of MSVC they're
aliases to the standard C types.


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identifiers in libc++.


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definition of POD. Specifically, this allows certain non-aggregate
types due to their data members being private.

The representation of C++11 POD testing is pretty gross. Any suggestions
for improvements there are welcome. Especially the name
'isCXX11PODType()' seems truly unfortunate.

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Add a decl update when a static data member of a class template is instantiated in a different PCH than its containing class. Otherwise we get double definition errors. Fixes a Boost.MPL problem that affects Boost.Accumulators and probably a lot more of Boost.

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Teaches isLiteralType and isTrivialType to behave plausibly and most
importantly not crash on normal RecordDecls.

Sadly I have no real way to test this. I stumbled onto it by
mis-implementing a warning.

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libstdc++ 4.2 also uses __is_same as a struct name, which conflicts with our new type trait __is_same

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Use DirectoryLookup::getName() rather than getDir()->getName() in a context where we don't know whether we have a normal directory

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// rdar://8823265


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-C++ objects with user-declared constructor don't need zero'ing.
-We can zero-initialize arrays of C++ objects in "bulk" now, in which case don't zero-initialize each object again.

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// rdar://8823265 - wip.


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regression in mason.  rdar://problem/7662569


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the tool chain, instead of based on the translated arguments.

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tests: Tweak test to not write to the same temporary twice, in the hopes of avoiding sporadic win32 failures about renaming a temporary.

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Enhance clang_getCXTUResourceUsage() to report how much memory is used by SourceManager's memory buffers.

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Use StringRef::substr() and unbounded StringRef::compare() instead of bounded version of StringRef::compare() because bounded version of StringRef::compare() is going to be removed.



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Make the top-level driver ignore -fobjc-default-synthesize-properties while this feature undergoes more review and development.  This is still available as a -cc1 option for testing.

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