Add OpenCL images as clang builtin types.

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Revert changes from r170428, as I accidentally changed the line endings of these files to Windows style.

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uncovered.

This required manually correcting all of the incorrect main-module
headers I could find, and running the new llvm/utils/sort_includes.py
script over the files.

I also manually added quite a few missing headers that were uncovered by
shuffling the order or moving headers up to be main-module-headers.

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Improved MSVC __interface support by adding first class support for it, instead of aliasing to "struct" which had some incorrect behaviour. Patch by David Robins.

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Reversing the logic since C99 mode is actually not an extension.  Also, changing the group to the singular to match the diagnostic better.

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Splitting the duplicated decl spec extension warning into two: one is an ExtWarn and the other a vanilla warning.  This addresses PR13705, where const char const * wouldn't warn unless -pedantic was specified under the right conditions.

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accurate by asking the parser whether there was an ambiguity rather than trying
to reverse-engineer it from the DeclSpec. Make the with-parameters case have
better diagnostics by using semantic information to drive the warning,
improving the diagnostics and adding a fixit.

Patch by Nikola Smiljanic. Some minor changes by me to suppress diagnostics for
declarations of the form 'T (*x)(...)', which seem to have a very high false
positive rate, and to reduce indentation in 'warnAboutAmbiguousFunction'.


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unless they appear in a decl-specifier-seq.


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caused a crash in an obscure case. On the plus side, it caused me to catch
another bug by inspection.

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Add error checking for the static qualifier which is now allowed in certain situations for OpenCL 1.2. Use the CL version to turn on this feature.
Added test case for 1.2 static storage class feature.


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The original r158700 caused crashes in the gcc test suite,
g++.abi/vtable3a.C among others. It also caused failures in the libc++
test suite.

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Note that this is mostly a structural patch that handles the change from the old
spelling style to the new one. One consequence of this is that all AT_foo_bar
enum values have changed to not be based off of the first spelling, but rather
off of the class name, so they are now AT_FooBar and the like (a straw poll on
IRC showed support for this). Apologies for code churn.

Most attributes have GNU spellings as a temporary solution until everything else
is sorted out (such as a Keyword spelling, which I intend to add if someone else
doesn't beat me to it). This is definitely a WIP.

I've also killed BaseCheckAttr since it was unused, and I had to go through
every attribute anyway.

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all. Suppresses follow-on errors mentioned in PR13074.


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refactorings in that revision, and some of the subsequent bugfixes, which
seem to be relevant even without delayed exception specification parsing.


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exception specifications on member functions until after the closing
'}' for the containing class. This allows, for example, a member
function to throw an instance of its own class. Fixes PR12564 and a
fairly embarassing oversight in our C++98/03 support.


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a type specifier and can be combined with unsigned. This allows libstdc++4.7 to
be used with clang in c++98 mode.

Several other changes are still required for libstdc++4.7 to work with clang in
c++11 mode.


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The member variable is always "LangOpts" and the member function is always "getLangOpts".

Reviewed by Chris Lattner

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Remove unreachable code in Clang. (replace with llvm_unreachable where appropriate or when GCC requires it)

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Implement the missing pieces of Evaluate for _Complex types.  With that complete, remove some code from CGExprConstant which is no longer necessary.  While I'm here, a couple minor tweaks to _Complex-in-C++. (Specifically, make _Complex types literal types, and don't warn for _Complex int.)



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'char32_t', 'constexpr', 'decltype', 'noexcept', 'nullptr' and 'static_assert'.


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Lack of half FP was a regression compared to llvm-gcc.


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Support for C1x _Atomic specifier (see testcase).  This is primarily being committed at the moment to help support C++0x <atomic>, but it should be a solid base for implementing the full specification of C1x _Atomic.

Thanks to Jeffrey Yasskin for the thorough review!



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which enables support for C99 storage-class specifiers.

This extension is intended to be used by implementations to implement
OpenCL C built-in functions.

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It already works (and is useful with) macro locs as well.

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Rename LangOptions::Microsoft to LangOptions::MicrosoftExt to make it clear that this flag must be used only for Microsoft extensions and not emulation; to avoid confusion with the new LangOptions::MicrosoftMode flag. 

Many of the code now under LangOptions::MicrosoftExt will eventually be moved under the LangOptions::MicrosoftMode flag.


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declaration may be the first declaration, we want the ability to that
declaration to be marked module-private.


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indicates that a declaration is only visible within the module it is
declared in.



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PR10458: Finesse behaviour of C++0x features when in pre-0x mode. Accept for-range and auto with an ExtWarn, and produce a -Wc++0x-compat warning in C++98 mode when auto is used as a storage class.


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parsing lambda expressions, from John Freeman!


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as scope specifiers;  diagnose the attempt, rather than letting it go
to an assert.  The rest of PR10264.



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When performing semantic analysis on a member declaration, fix the check for whether we are declaring a function to check for parenthesized declarators, declaration via decltype, etc.

Also fix the semantic check to not treat FuncType* as a function type.


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