We wouldn't properly save and restore the pending local instantiations
we had built up prior to instantiation of a variable definition.  This
would lead to us instantiating too much causing crashes and other
general badness.

This fixes PR14374.


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 1) Use %clang_cc1 instead of the driver
 2) Validate that the input contains a BOM
 3) Validate that the BOM has been stripped from the output

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Renaming Struct to GenericRecord for clarity; could not use Record as the enumerant because that's already taken by the Record class.

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This was removed in the great unused local cleanup of r195814.

Adding cast-to-void to suppress unused variable warnings.

Should fix certain builds like ARCMT.

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Converts the lockable attributes to use the simple attribute handler because the semantic checking was already automated.

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Automated checking for C++ when determining what argument to send to the diagnostic for attribute subjects. In turn, this allows the Subjects to be enabled for some more attributes and improves diagnostics. Updated a test case based on the improved diagnostic.

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Adding the Subjects entry back for the noreturn attributes. This caused some test cases to be updated because the original diagnostic was about applying to methods as well as functions, but the semantic checking disallowed methods.

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Enabling the subject list for the warn_unused attribute, and adding a test case. Previously, would issue a "warning ignored" diagnostic instead of the more specific "only applies to."

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Refactored semantic handlers that would unilaterally apply the attribute to a Decl so they all go through a common interface. No functional change intended.

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Removing the description part of a subset subject. It is unused, and wouldn't be future-proof regarding translation issues. It is also covered by SubjectList's CustomDiag member.

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Laying the basic groundwork for table generating the diagnostics for attribute subjects. This makes some modifications to the way subjects are listed in Attr.td, and updates the attr emitter to handle the new constructs.

I have disabled some attribute subject lines on purpose in Attr.td;
this part is a WIP with the goal being to restore those subjects
incrementally. By commenting them out, it leaves the original behavior
the same as before for those attributes and so those are not
functionality changes.

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Suggested by Alp Toker.

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dependent context that the one we are instantiating, otherwise there will be an assertion.

rdar://15464547

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We would fail to instantiate them when the surrounding function was
instantiated. Instantiate the class and add it's members to the list of
pending instantiations, they should be resolved when we are finished
with the function's body.

This fixes PR9685.


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Also disable crash recovery using 'LIBCLANG_DISABLE_CRASH_RECOVERY' environment variable.

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There are about 30 removed in this patch, generated by a new FixIt I haven't
got round to submitting yet.

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The warning from cmake-clang-x64-msc16-R was:

  test\SemaCXX\old-style-cast.cpp Line 6: cast to 'void **' from smaller integer type 'long'

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code for handling triviality, deletedness and constexpr. Fix a few bugs in
these, particularly related to mutable members, and remove some dead code.


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Based on a patch by Ondřej Hošek!

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look at the attribute spelling instead. The 'ownership_*' attributes should
probably be split into separate *Attr classes, but that's more than I wanted to
do here.


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curlies.

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the duplicated documentation from .cpp files so that it's not processed by
Doxygen and hence doesn't generate duplicate output.


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instructions.

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On a Release build this takes the testcase in pr18055 from 0m3.892s to 0m1.452s.

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Changed non-printable characters in the test to the escaped form. Apparently, not all tools display non-printable characters ;)

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Sourcery MIPS toolchain.

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