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Stephan T. Lavavej
[libcxx] [test] Fix MSVC warning C4242 "conversion from 'int' to 'const char', possible loss of data".
Fixes D34534.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308532 91177308-0d34-0410-b5e6-96231b3b80d8
James Y Knight
Rework libcxx strerror_r handling.
The set of #ifdefs used to handle the two incompatible variants of
strerror_r were not complete (they didn't handle newlib appropriately).

Rather than attempting to make the ifdefs more complex, make them
unnecessary by choosing which behavior to use dependent upon the
return type.

Reviewers: waltl

Differential Revision: https://reviews.llvm.org/D34294

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308528 91177308-0d34-0410-b5e6-96231b3b80d8
Weiming Zhao
[libc++] Refactoring __sync_* builtins; NFC
Summary: Wrap __sync_* builtins with __libcpp_ functions to facility future customizations as atomic operations are unavailable on some targets.

Reviewers: danalbert, EricWF, jroelofs

Subscribers: joerg, llvm-commits

Differential Revision: https://reviews.llvm.org/D34918

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307591 91177308-0d34-0410-b5e6-96231b3b80d8
Eric Fiselier
Add dummy CMake target for *.pass.cpp tests when LIBCXX_CONFIGURE_IDE=ON.
In order for IDE's like CLion to correctly parse and highlight the tests
it needs to know roughly how to build them. This patch adds a dummy CMake target
for each/all of the .pass.cpp tests in the test suite to solve this problem.
The target is only created when LIBCXX_CONFIGURE_IDE=ON, so it shouldn't affect
most users.

Originally I wasn't sure that this change deserved to live upstream, but it's
quite frustrating to edit libc++ tests using CLion or Visual Studio without it,
in particular the filesystem tests which rely heavily on macros. Even though the change
should have no effect on non-IDE users/configurations I decided to commit it upstream
with the hopes it will benefit somebody other than me.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307118 91177308-0d34-0410-b5e6-96231b3b80d8
Duncan P. N. Exon Smith
cmath: Support clang's -fdelayed-template-parsing
r283051 added some functions to cmath (in namespace std) that have the
same name as functions in math.h (in the global namespace).  Clang's
limited support for `-fdelayed-template-parsing` chokes on this.  Rename
the ones in `cmath` and their uses in `complex` and the test.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307357 91177308-0d34-0410-b5e6-96231b3b80d8
Marshall Clow
Fix a bug in regex_Iterator where it would report zero-length matches forever. Reported as http://llvm.org/PR33681. Thanks to Karen Arutyunov for the report.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307171 91177308-0d34-0410-b5e6-96231b3b80d8
Ben Craig
Fix unrepresentable enum for clang-cl unstable ABI
When using LIBCXX_ABI_UNSTABLE=YES, clang-cl gave the following warning:

warning: enumerator value is not representable in the underlying type
'int' [-Wmicrosoft-enum-value]

Fixed by switching from enums to static const size_type.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307751 91177308-0d34-0410-b5e6-96231b3b80d8
Bruno Cardoso Lopes
Check for _MSC_VER before defining _LIBCPP_MSVCRT
Some targets (e.g. Darwin) might have the Win32 API available, but they
do not use MSVC CRT. Assume _LIBCPP_MSVCRT only when _MSC_VER is available
and __MINGW32__ isn't defined.

Differential Revision: https://reviews.llvm.org/D34588


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308225 91177308-0d34-0410-b5e6-96231b3b80d8
Eric Fiselier
Revert "[libc++] Refactoring __sync_* builtins; NFC (Reland)"
This reverts commit r307595. The commit had some issues that needed
to first be addressed in review.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307746 91177308-0d34-0410-b5e6-96231b3b80d8
Stephan T. Lavavej
[libcxx] [test] Update msvc_stdlib_force_include.hpp.
and is adding _HAS_UNEXPECTED.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308535 91177308-0d34-0410-b5e6-96231b3b80d8
Shoaib Meenai
[libc++] Mark string operator+ _LIBCPP_FUNC_VIS
It has an extern template instantiation declaration in the headers and a
corresponding instantiation definition in the library, so we must mark
it with _LIBCPP_FUNC_VIS to make it available outside the library.

This doesn't cause any ABI changes as-is since we don't build libc++
with hidden visibility (so the function is exported anyway). It's needed
for building libc++ with hidden visibility, however.

Clarify the Windows behavior for extern function templates while I'm
here, since this exercises that behavior.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307966 91177308-0d34-0410-b5e6-96231b3b80d8
Akira Hatanaka
Revert "[libcxx] Annotate c++17 aligned new/delete operators with availability"
This reverts commit r306310.

r306310 causes clang to reject a call to an aligned allocation or
deallocation function if it is not implemented in the standard library
of the deployment target. This is not the desired behavior when users
have defined their own aligned functions.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@306859 91177308-0d34-0410-b5e6-96231b3b80d8
Nico Weber
Fix grammar-o in comment.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308827 91177308-0d34-0410-b5e6-96231b3b80d8
Shoaib Meenai
[libc++] class template -> template class. NFC
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307972 91177308-0d34-0410-b5e6-96231b3b80d8
Eric Fiselier
Fix filesystem build on platforms with weird time_t types.
32-bit powerpc provides a 64 bit time_t type and older ppc64 systems
provide time_t as a floating point type. This caused problems when building
operations.cpp since operations.cpp contained compile time tests for conversions
between time_t and filesystem time type.

When these tests failed they caused the libc++ build to fail as well. This is unfortunate.

This patch moves the tests out of the source file and into the test suite. It also
expands the tests to allow testing of the weird time_t configurations on all platforms.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307461 91177308-0d34-0410-b5e6-96231b3b80d8
Shoaib Meenai
[libc++] Use proper template terminology. NFC
It's supposed to be "class template" and "function template" instead of
"template class" and "template function".

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307954 91177308-0d34-0410-b5e6-96231b3b80d8
Casey Carter
optional: Implement LWG 2900 and P0602
Differential Revision: https://reviews.llvm.org/D32385

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307505 91177308-0d34-0410-b5e6-96231b3b80d8
Marshall Clow
Update libc++ status pages with results of the Toronto Meeting - and for C++2a
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308153 91177308-0d34-0410-b5e6-96231b3b80d8
Weiming Zhao
[libc++] Refactoring __sync_* builtins; NFC (Reland)
Summary: Wrap __sync_* builtins with __libcpp_ functions to facility future customizations as atomic operations are unavailable on some targets.

Reviewers: danalbert, EricWF, jroelofs

Subscribers: joerg, llvm-commits

Differential Revision: https://reviews.llvm.org/D34918

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307595 91177308-0d34-0410-b5e6-96231b3b80d8
Marshall Clow
Add case for c++2a to libc++ and test macros
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308159 91177308-0d34-0410-b5e6-96231b3b80d8
Weiming Zhao
Revert "[libc++] Refactoring __sync_* builtins; NFC"
This reverts commit 72ff8866bca49ee7d24c87673293b4ce88a039ec.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307593 91177308-0d34-0410-b5e6-96231b3b80d8
Eric Fiselier
Fix issues with UBSAN test configuration.
On Apple the test feature 'sanitizer-new-delete' was incorrectly
getting added to the LIT feature set, which mistakenly caused tests
to be disabled when using UBSAN (the feature is only needed with ASAN/MSAN/TSAN).

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307518 91177308-0d34-0410-b5e6-96231b3b80d8
Shoaib Meenai
[libc++] Hoist explicit instantiation above implicit. NFC
The string literal operators have implicit instantiations of
basic_string<char> and basic_string<wchar>, which prevent the dllimport
on the subsequent explicit instantiation declarations from having an
effect. Hoisting the explicit instantiations above the implicit ones
fixes the issue.

I think it's pretty unfortunate that the ordering has such an effect,
and I'd fixed the same issue for dllexport in r288682. dllimport is more
complicated from a codegen perspective, however, and clang's behavior of
ignoring the dllimport when there's a previous implicit instantiation is
consistent with cl, so changing the order is our only recourse.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@306632 91177308-0d34-0410-b5e6-96231b3b80d8
Eric Fiselier
Fix test failure to to new/delete ellisions
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307510 91177308-0d34-0410-b5e6-96231b3b80d8
Eric Fiselier
Suppress -Waligned-allocation-unavailable warning in libc++ test suite
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307218 91177308-0d34-0410-b5e6-96231b3b80d8
Eric Fiselier
Fix equivalent test on OS X and FreeBSD
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307119 91177308-0d34-0410-b5e6-96231b3b80d8
Marshall Clow
Update issues moved in Toronto
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308097 91177308-0d34-0410-b5e6-96231b3b80d8
David L. Jones
[lit/libcxx] Fix a remaining reference to lit.util.capture() in custom libcxx/Darwin code.
This reference to lit.util.capture is functionally identical to
subprocess.check_output, so this change switches to call the library routine

Reviewers: mzolotukhin, EricWF

Reviewed By: mzolotukhin

Subscribers: sanjoy, llvm-commits

Differential Revision: https://reviews.llvm.org/D34841

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@306755 91177308-0d34-0410-b5e6-96231b3b80d8
Eric Fiselier
Work around PR31864 - ATOMIC_LLONG_LOCK_FREE is incorrect in 32 bit builds
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307517 91177308-0d34-0410-b5e6-96231b3b80d8
Stephan T. Lavavej
[libcxx] [test] Fix Clang -Wunused-local-typedef warnings.
Fix D34536.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308534 91177308-0d34-0410-b5e6-96231b3b80d8
Petr Hosek
[libcxx][CMake] Add install path variable to allow overriding the destination
This is going to be used by the runtime build in the multi-target
setup to allow using different install prefix for each target.

Differential Revision: https://reviews.llvm.org/D33762

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307615 91177308-0d34-0410-b5e6-96231b3b80d8
Eric Fiselier
Implement LWG 2937 - equivalent("dne", "exists") is not an error
This patch speculatively implements the PR for LWG 2937, which fixes
two issues with equivalent.

(1) It makes equivalent("dne", "exists") an error. Previously only
    equivalent("dne", "dne") was an error and the former case was not (it returned false).
    Now equivalent reports an error when either input doesn't exist.

(2) It makes equivalent(p1, p2) well-formed when `is_other(p1) && is_other(p2)`.
    Previously this was an error, but there is seemingly no reason why it should be on POSIX system.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307117 91177308-0d34-0410-b5e6-96231b3b80d8
Stephan T. Lavavej
[libcxx] [test] Fix MSVC warning C4067 "unexpected tokens following preprocessor directive - expected a newline".
Also fixes Clang/LLVM 4.0 (for Windows) error "function-like macro 'TEST_GLIBC_PREREQ' is not defined".

Fixes D34535.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308533 91177308-0d34-0410-b5e6-96231b3b80d8
Eric Fiselier
Fix diagnostic in verify test to match new Clang output
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307450 91177308-0d34-0410-b5e6-96231b3b80d8
Hans Wennborg
Bump docs version to 6.0
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308462 91177308-0d34-0410-b5e6-96231b3b80d8
Shoaib Meenai
[libc++] Remove unused _LIBCPP_FUNC_VIS_ONLY
This has been unused since r282644.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307965 91177308-0d34-0410-b5e6-96231b3b80d8
Leo Li
[CMake] Use MATCHES for regular expression.
Subscribers: mgorny

Differential Revision: https://reviews.llvm.org/D35514

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308347 91177308-0d34-0410-b5e6-96231b3b80d8
Eric Fiselier
Remove <__refstring> header; Move it into source directory.
The libc++ <__refstring> headers has no real reason why it should
be a public header that libc++ ships. The only reason it was in the include
directory was because libc++abi needed it to build the library.

However keeping <__refstring> a header had other problems, like requiring its
dependancies to also be in the headers. For that reason this patch
moves it into the source directory.

To work around libc++abi's need for this header a duplicated copy was added
to libc++abi in r307748. While duplicating the code is an unfortunate solution
it's the best solution that's currently possible.

In the future I would like to start a discussion on the mailing lists about
making libc++abi build as a sub-project of libc++, requiring the libc++ sources
always be present.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307749 91177308-0d34-0410-b5e6-96231b3b80d8
Hans Wennborg
Update _LIBCPP_VERSION and the version in CMakeLists to 6.0
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@308468 91177308-0d34-0410-b5e6-96231b3b80d8
Shoaib Meenai
[libc++] Clean up cl warning 4231 disabling
Once upon a time, extern templates used to be a Microsoft extension, so
cl would warn about their usage, and libc++ suppressed that warning.
They've long since been standardized, so the warning is defunct. (libc++
also doesn't currently support building with cl anyway.)

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307997 91177308-0d34-0410-b5e6-96231b3b80d8