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Some of these headings had the incorrect number of "underlines" and so would get warnings when generating the content from Sphinx. No functional changes intended.

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Thanks to Konrad Kleine for reporting the inconsistency!


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Moving the documentation for the enable_if attribute into AttrDocs. Removed the "clang introduces" phrase for style consistency, but otherwise the documentation is identical.

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Implements a declarative approach to documenting individual attributes in Clang via a Documentation tablegen class. Also updates the internals manual with information about how to use this new, required, documentation feature.

This patch adds some very, very sparse initial documentation for some attributes. Additional effort from attribute authors is greatly appreciated.

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For reference: llvm.org/PR18690.

Also updated generated help page and page creation script.

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Instead point readers to the latest, correct example code in SVN until we find
a way to automatically include example sources into the documentation (or until
someone steps up to maintain these actively).

This ensures that the examples are up-to-date, buildable, and most of all that
readers don't pick up incorrect usage.

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when the .html file is generated.


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This should now match the equivalent gcc option.


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Adding a bit of documentation that was missed with r198883 (when ParseArgumentsAsUnevaluated was added).

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Exposed a declarative way to specify that an attribute can be duplicated when merging attributes on a declaration. This replaces some hard-coded functionality from Sema.

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Implement type trait primitives used in the latest edition of the Microsoft
standard C++ library type_traits header.

With this change we can parse much of the Visual Studio 2013 standard headers,
particularly anything that includes <type_traits>.

Fully implemented, available in all language modes:

 * __is_constructible()
 * __is_nothrow_constructible()
 * __is_nothrow_assignable()

Partially implemented, semantic analysis WIP, available as MS extensions:

 * __is_destructible()
 * __is_nothrow_destructible()

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Update the documentation to clarify the intent of clang's built-in type trait
facilities, their relation to user-facing C++ type traits and means to check
for availability.

Also explain that __has_feature() is not currently up to date and should not
generally be used in user code (there's a proposal to provide more consistent
checks via __has_builtin(), see cfe-dev).

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Fix the attribute enable_if example in the docs to be 100% real-world, instead of merely being close to the real world to mislead people. This now matches the test.


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This C++ feature has been marked complete since r191549, but the documentation
claimed it wasn't supported at all and the extension check misreported it as
being available in C.

No regression test; this was a short-lived typo.

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Someone recently wasted some time not realising that "-###" didn't
actually execute the commands it printed, and suggested a
documentation tweak.

Having made the same mistake myself on at least one occasion, I
sympathise. So here it is. Any kibitzing on an even better text
welcome.

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The ClangCheck tool has changed and no longer is exactly equivalent to the
code pasted in the doc.


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Add a new attribute 'enable_if' which can be used to control overload resolution based on the values of the function arguments at the call site.


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Updating the documentation about how to add attributes based on the rather extensive refactorings that have happened over the past several months.

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It controls everything that -flimit-debug-info used to, plus the
vtable type optimization. The old -fno-limit-debug-info option is now an
alias to -fstandalone-debug and vice versa.

Standalone is the default on Darwin until dtrace is updated to work with
non-standalone debug info (rdar://problem/15758808).

Note: I kept the LimitedDebugInfo name in CodeGenOptions::DebugInfoKind
because NoStandaloneDebugInfo sounded even more confusing.

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