Changes in copy.pass.cpp

df81bb71 - [libc++] [LIBCXX-DEBUG-FIXME] Constexpr char_traits::copy mustn't compare unrelated pointers.

Wed, 21 Apr 2021 02:24:24 +0000

[libc++] [LIBCXX-DEBUG-FIXME] Constexpr char_traits::copy mustn't compare unrelated pointers.Now that __builtin_is_constant_evaluated() is present on all supportedcompilers, we can use it to skip the UB-inducing assert in cases wherethe computation might be happening at constexpr time.Differential Revision: https://reviews.llvm.org/D101674 List of files: /llvm-project-15.0.7/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp

5425106e - [libc++] Remove test-suite annotations for unsupported Clang versions

Fri, 20 Aug 2021 15:42:38 +0000

[libc++] Remove test-suite annotations for unsupported Clang versionsDifferential Revision: https://reviews.llvm.org/D108471 List of files: /llvm-project-15.0.7/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp

86d1f590 - [libc++] [test] Add a debug-mode CI.

Tue, 20 Apr 2021 15:27:03 +0000

[libc++] [test] Add a debug-mode CI.To run llvm-lit manually from the command line: ./bin/llvm-lit -sv --param std=c++2b --param cxx_under_test=`pwd`/bin/clang \ --param debug_level=1 ../libcxx/test/Tests that currently fail with `debug_level=1` are marked `LIBCXX-DEBUG-FIXME`,but my intent is to deal with all of them and leave no such annotations inthe codebase within the next couple weeks. (I have patches for all of themin my local checkout.)Differential Revision: https://reviews.llvm.org/D100866 List of files: /llvm-project-15.0.7/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp

ee95c702 - [libc++] Remove _LIBCPP_CONSTEXPR_AFTER_CXX17_WITH_IS_CONSTANT_EVALUATED.

Mon, 23 Nov 2020 17:44:41 +0000

[libc++] Remove _LIBCPP_CONSTEXPR_AFTER_CXX17_WITH_IS_CONSTANT_EVALUATED.Zoe Carver says: "We decided that libc++ only supports C++20 constexpr algorithmswhen `is_constant_evaluated` is also supported. Here's a link to the discussion."https://reviews.llvm.org/D65721#inline-735682Remove _LIBCPP_HAS_NO_BUILTIN_IS_CONSTANT_EVALUATED from tests, too.See Louis's 5911e6a8857f146fb5a8f23af1d768aba25e7c3e if needed to fix bots.I've applied `UNSUPPORTED: clang-8` preemptively to the altered tests;I don't know for sure that this was needed, because no clang-8 buildbotsare triggered on pull requests. List of files: /llvm-project-15.0.7/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp

eb8710cb - [libc++][P0980] Marked member functions move/copy/assign of char_traits constexpr.

Fri, 08 Nov 2019 13:42:26 +0000

[libc++][P0980] Marked member functions move/copy/assign of char_traits constexpr.Reviewers: ldionne, EricWF, mclow.listsReviewed By: ldionneSubscribers: christof, dexonsmith, libcxx-commitsTags: #libcDifferential Revision: https://reviews.llvm.org/D68840 List of files: /llvm-project-15.0.7/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp

7fc6a556 - Add include for 'test_macros.h' to all the tests that were missing them. Thanks to Zoe for the (big, but simple) patch. NFC intended.

Fri, 31 May 2019 18:35:30 +0000

Add include for 'test_macros.h' to all the tests that were missing them. Thanks to Zoe for the (big, but simple) patch. NFC intended.llvm-svn: 362252 List of files: /llvm-project-15.0.7/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp

2df59c50 - Support tests in freestanding

Mon, 04 Feb 2019 20:31:13 +0000

Support tests in freestandingSummary:Freestanding is *weird*. The standard allows it to differ in a bunch of oddmanners from regular C++, and the committee would like to improve thatsituation. I'd like to make libc++ behave better with what freestanding shouldbe, so that it can be a tool we use in improving the standard. To do that weneed to try stuff out, both with "freestanding the language mode" and"freestanding the library subset".Let's start with the super basic: run the libc++ tests in freestanding, usingclang as the compiler, and see what works. The easiest hack to do this:In utils/libcxx/test/config.py add: self.cxx.compile_flags += ['-ffreestanding']Run the tests and they all fail.Why? Because in freestanding `main` isn't special. This "not special" propertyhas two effects: main doesn't get mangled, and main isn't allowed to omit its`return` statement. The first means main gets mangled and the linker can'tcreate a valid executable for us to test. The second means we spew out warnings(ew) and the compiler doesn't insert the `return` we omitted, and main justfalls of the end and does whatever undefined behavior (if you're luck, ud2leading to non-zero return code).Let's start my work with the basics. This patch changes all libc++ tests todeclare `main` as `int main(int, char**` so it mangles consistently (enabling usto declare another `extern "C"` main for freestanding which calls the mangledone), and adds `return 0;` to all places where it was missing. This touches 6124files, and I apologize.The former was done with The Magic Of Sed.The later was done with a (not quite correct but decent) clang tool: https://gist.github.com/jfbastien/793819ff360baa845483dde81170feedThis works for most tests, though I did have to adjust a few places when e.g.the test runs with `-x c`, macros are used for main (such as for the filesystemtests), etc.Once this is in we can create a freestanding bot which will prevent furtherregressions. After that, we can start the real work of supporting C++freestanding fairly well in libc++.Reviewers: ldionne, mclow.lists, EricWFSubscribers: christof, jkorous, dexonsmith, arphaman, miyuki, libcxx-commitsDifferential Revision: https://reviews.llvm.org/D57624llvm-svn: 353086 List of files: /llvm-project-15.0.7/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp

57b08b09 - Update more file headers across all of the LLVM projects in the monorepo

Sat, 19 Jan 2019 10:56:40 +0000

Update more file headers across all of the LLVM projects in the monorepoto reflect the new license. These used slightly different spellings thatdefeated my regular expressions.We understand that people may be surprised that we're moving the headerentirely to discuss the new license. We checked this carefully with theFoundation's lawyer and we believe this is the correct approach.Essentially, all code in the project is now made available by the LLVMproject under our new license, so you will see that the license headersinclude that license only. Some of our contributors have contributedcode under our old license, and accordingly, we have retained a copy ofour old license notice in the top-level files in each project andrepository.llvm-svn: 351648 List of files: /llvm-project-15.0.7/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp

9a797113 - Rooting out more undefined behavior in char_traits.

Fri, 13 Feb 2015 16:04:42 +0000

Rooting out more undefined behavior in char_traits.llvm-svn: 229119 List of files: /llvm-project-15.0.7/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp

5a83710e - Move test into test/std subdirectory.

Sat, 20 Dec 2014 01:40:03 +0000

Move test into test/std subdirectory.llvm-svn: 224658 List of files: /llvm-project-15.0.7/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp