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Patch by Che-Liang Chiou!

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It was fixed by r186603.

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...and hopefully, finally, unbreak buildbots.

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This plus Rafael's fix at r186943 should keep all the buildbots happy.

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Sorry about forgetting to include this in the previous patch.

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This is still a fairly odd test. Clang wants to run gcc for assembling. At
least with -### it only prints that instead of actually trying to run it with
-ccc-echo.

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Replacing some manual diagnostic checks with an existing helper method.  Adding missing test cases for the diagnostics.

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Removed a redundant diagnostic and replaced it with a more standard one.  Added a test case for the diagnostic.

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Consolidate several attribute argument diagnostics into a single, selectable diagnostic.  This makes the diagnostic more consistent.

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Correcting the NSObject and Overloadable attribute diagnostics so that the count reported matches reality.

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 * Allow ns, us, ms, s, min, h as numeric ud-suffixes
 * Allow s as string ud-suffix


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These are cases where a scalar type is "destructed", usually due to
template instantiation (e.g. "obj.~T()", where 'T' is 'int'). This has
no actual effect and the analyzer should just skip over it.

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The analyzer doesn't currently expect CFG blocks with terminators to be
empty, but this can happen when generating conditional destructors for
a complex logical expression, such as (a && (b || Temp{})). Moreover,
the branch conditions for these expressions are not persisted in the
state. Even for handling noreturn destructors this needs more work.

This reverts r186498.

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bool, half, pointers and structs / unions containing any
of these are not allowed. Does not yet reject size_t and
related integer types that are also disallowed.

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This should hopefully unbreak the Windows bots at http://bb.pgr.jp



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Switch some warnings over to errors which should never have been warnings
in the first place.  (Also, a minor fix to the preprocessor rules for
integer literals while I'm here.)

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rdar://problem/14386148

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rdar://problem/14386148

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protocols by ignoring cases where all protocol properties
and methods are optional.


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Fixes rdar://problem/14386148

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getLocForEndOfToken() isn't guaranteed to succeed; if it doesn't, make sure
we do something sane.

Fixes PR16673.  I'm not sure how to write a testcase for this short of grepping
through the diagnostic output.

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The headers in the compiler's own resource include directory are
system headers, which means we don't stat() them eagerly when loading
a module. Use module.map as a proxy for these headers and the compiler
itself. Fixes <rdar://problem/13856838>.


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Warning should be emitted only for InitListExpr nodes.


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have shift/bitwise operators or are power of 2.


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[arcmt] Only disable ARC in the second compilation if there were actually ARC errors in the checking phase.

rdar://14490204

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