them via feature test macro __cpp_constexpr.

Thanks to Faisal for implementing this feature!


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We need to look through the PackExpansionType in the parameter type when
deducing, and we need to consider the possibility of deducing arguments for
packs that are not lexically mentioned in the pattern (but are nonetheless
deducible) when figuring out which packs are covered by a pack deduction scope.


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Summary:
POSIX requires lgamma writes to an external global variable, signgam.
This prevents annotating lgamma with readnone, which is incorrect on
targets that write to signgam.

Reviewers: efriedma, rsmith

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D29778

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Summary: This is a patch for PR31836. As the bug replaces the path separators in the included file name with the characters following them, the test script makes sure that there's no "Ccase-insensitive-include-pr31836.h" in the warning message.

Reviewers: rsmith, eric_niebler

Reviewed By: eric_niebler

Subscribers: karies, cfe-commits

Differential Revision: https://reviews.llvm.org/D30000

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Summary: I'm not sure why they were in different files, but it's kind of harder to maintain. I create this patch partially for initiate a discussion.

Reviewers: dberris

Subscribers: nemanjai, cfe-commits

Differential Revision: https://reviews.llvm.org/D30118

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Summary: AddDiscriminator pass is only useful for sample pgo. This patch restricts AddDiscriminator to -fdebug-info-for-profiling so that it does not introduce unecessary debug size increases for non-sample-pgo builds.

Reviewers: dblaikie, aprantl

Reviewed By: dblaikie

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D30220

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Summary:
Historically, NetBSD, FreeBSD and OpenBSD have defined the macro ABICALLS in
the preprocessor when -mabicalls is in effect.

Mainline GCC later defined __mips_abicalls when -mabicalls is in effect.

This patch teaches the preprocessor to define these macros when appropriate.

NetBSD does not require the ABICALLS macro.

This resolves PR/31694.

Thanks to Sean Bruno for highlighting this issue!

Reviewers: slthakur, seanbruno

Reviewed By: seanbruno

Subscribers: joerg, brad, emaste, seanbruno, cfe-commits

Differential Revision: https://reviews.llvm.org/D29032



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case where the class template has a parameter pack.

Checking of the template arguments expects an "as-written" template argument
list, which in particular does not have any parameter packs. So flatten the
packs into separate arguments before passing them in.


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assume the bound has a non-dependent integral type.


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template deduction guides for class template argument deduction.

Ensure that we have a local instantiation scope for tracking the instantiated
parameters. Additionally, unusually, we're substituting at depth 1 and leaving
depth 0 alone; make sure that we don't reduce template parameter depth by 2 for
inner parameters in the process. (This is probably also broken for alias
templates in the case where they're expanded within a dependent context, but
this patch doesn't fix that.)


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instantiation.

In preparation for converting the template stack to a more general context
stack (so we can include context notes for other kinds of context).


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Using the constructed name for the class properties with dot syntax may
yield an inappropriate selector (i.e. if it is specified via property
attributes).  Prefer the declaration for the selector, falling back to
the constructed name otherwise.

Patch by David Herzka!

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Specifically, similar to other blocks, clang-format now wraps both
after "${" and before the corresponding "}", if the contained
expression spans multiple lines.

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Before:
  aaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(
      [aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa]() -> ::std::
	  unordered_set<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa> {
	    //
	  });

After:
  aaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(
      [aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa]()
	  -> ::std::unordered_set<
	      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa> {
	//
      });

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Before:
  var someValue = (v as aaaaaaaaaaaaaaaaaaaa<T>[
                  ]).someFunction(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);

After:
  var someValue = (v as aaaaaaaaaaaaaaaaaaaa<T>[])
                      .someFunction(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);

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Patch by Peter Szecsi!

Differential Revision: https://reviews.llvm.org/D29612


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Reviewers: rengolin, t.p.northover

Reviewed By: t.p.northover

Subscribers: aemerson, llvm-commits

Differential Revision: https://reviews.llvm.org/D30100


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[analyzer] Do not duplicate call graph nodes for functions that have definition and forward declaration

Patch by Ivan Sidorenko!

Differential Revision: https://reviews.llvm.org/D29643


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/usr/local/include/c++/4.9.4/type_traits:279:39: error: __float128 is not
supported on this target


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Inline the addCompilerRT call to the single caller.  NFC.

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Patch by Stefan Kempf.


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We can't support stack-protector on NVPTX because NVPTX doesn't expose a
stack to the compiler!

Fixes PR32009.

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This crash was reported in https://bugs.llvm.org//show_bug.cgi?id=31173

Differential Revision: https://reviews.llvm.org/D28297



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These attributes effectively turn a non-defining declaration into a
definition, so the case when the declaration already has a body must
be diagnosed properly.

Differential Revision: https://reviews.llvm.org/D30032


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Reserve a spot for ODR hash in CXXRecordDecl and in its modules storage.
Default the hash value to 0 for all classes.

Differential Revision: https://reviews.llvm.org/D21675


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The cxx-structors.cpp test checks that some instrumentation doesn't
appear, but it should be more explicit about which instrumentation it
actually expects to appear.

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The frontend can't see "__profn" profile name variables after IRGen
because llvm throws these away now. Tighten up some test cases which
checked for the non-existence of those variables.

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