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* Revert r260012 due to __gnu_cxx::hash_map breakageEric Fiselier2016-02-086-363/+0
| | | | llvm-svn: 260172
* Clean up a test; get rid of hard-wired char/wchar_t code for template fns ↵Marshall Clow2016-02-081-95/+56
| | | | | | that take any char type. Prep work for PR#26503 llvm-svn: 260115
* Cleanup node-type handling in the unordered containersEric Fiselier2016-02-076-0/+363
| | | | | | | | | | | | | | | | | | | | | | | | | This patch is the first in a series of patches that's meant to better support unordered_map. unordered_map has a special "value_type" that differs from pair<const Key, Value>. In order to meet the EmplaceConstructible and CopyInsertable requirements we need to teach __hash_table about this special value_type. This patch creates a "__hash_node_types" traits class that contains all of the typedefs needed by the unordered containers and it's iterators. These typedefs include ones for each node type and node pointer type, as well as special typedefs for "unordered_map"'s value type. As a result of this change all of the unordered containers now all support incomplete types. As a drive-by fix I changed the difference_type in __hash_table to always be ptrdiff_t. There is a corresponding change to size_type but it cannot take affect until an ABI break. This patch will be followed up shortly with fixes for various unordered_map fixes. llvm-svn: 260012
* re.results.form: Format out-of-range subexpression references as nullDuncan P. N. Exon Smith2016-02-031-0/+52
| | | | | | | | | | Rather than crashing in match_results::format() when a reference to a marked subexpression is out of range, format the subexpression as empty (i.e., replace it with an empty string). Note that match_results::operator[]() has a range-check and returns a null match in this case, so this just re-uses that logic. llvm-svn: 259682
* [libcxx] Work around for clang calling GAS after having already failed.Daniel Sanders2016-01-281-1/+1
| | | | | | | | | | | | | | | | | | | | | Summary: This is a workaround to a clang bug which causes libcxx tests to fail in the 3.8 release. The clang bug is currently being investigated. It seems that clang does not stop after frontend errors when using -verify and -fno-integrated-as (or when this is the default). This patch adds -fsyntax-only to prevent GAS from being called, fixing the libcxx failures. PR26277 Patch by Eric Fiselier Reviewers: mclow.lists, hans, EricWF Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D16584 llvm-svn: 259046
* implement ostream_joiner. Reviewed as http://reviews.llvm.org/D16605Marshall Clow2016-01-287-0/+381
| | | | llvm-svn: 259014
* [libcxx] Additional 'REQUIRE' directives for tests that require en_US.UTF-8.Daniel Sanders2016-01-277-0/+14
| | | | | | | | | | | | | | Summary: These are the tests that didn't fail in the release candidate because they were covered by another 'REQUIRES' directive. Reviewers: mclow.lists, hans, bcraig, EricWF Subscribers: EricWF, dim, cfe-commits Differential Revision: http://reviews.llvm.org/D16408 llvm-svn: 258920
* [libcxx] Fix undefined behavior in forward_listEric Fiselier2016-01-271-0/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This patch is similar to the <list> fix but it has a few differences. This patch doesn't use a `__link_pointer` typedef because we don't need to change the linked list pointers because `forward_list` never stores a `__forward_begin_node` in the linked list itself. The issue with `forward_list` is that the iterators store pointers to `__forward_list_node` and not `__forward_begin_node`. This is incorrect because `before_begin()` and `cbefore_begin()` return iterators that point to a `__forward_begin_node`. This means we incorrectly downcast the `__forward_begin_node` pointer to a `__node_pointer`. This downcast itself is sometimes UB but it cannot be safely removed until ABI v2. The more common cause of UB is when we deference the downcast pointer. (for example `__ptr_->__next_`). This can be fixed without an ABI break by upcasting `__ptr_` before accessing it. The fix is as follows: 1. Introduce a `__iter_node_pointer` typedef that works similar to `__link_pointer` in the last patch. In ABI v2 it is always a typedef for `__begin_node_pointer`. 2. Change the `__before_begin()` method to return the correct pointer type (`__begin_node_pointer`), Previously it incorrectly downcasted the `__forward_begin_node` to a `__node_pointer` so it could be used to constructor the iterator types. 3. Change `__forward_list_iterator` and `__forward_list_const_iterator` in the following way: 1. Change `__node_pointer __ptr_;` member to have the `__iter_node_pointer` type instead. 2. Add additional private constructors that accept `__begin_node_pointer` in addition to `__node_pointer` and then correctly cast them to the stored `__iter_node_pointer` type. 3. Add `__get_begin()` and `__get_node_unchecked()` accessor methods that correctly cast `__ptr_` to the expected pointer type. `__get_begin()` is always safe to use and should be preferred. `__get_node_unchecked()` can only be used on a deferencible iterator. 4. Replace direct access to `__forward_list_iterator::__ptr_` with the safe accessor methods. Reviewers: mclow.lists, EricWF Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D15836 llvm-svn: 258888
* Fix PR26103 - Error calling is_convertible with incomplete type. Patch from ↵Eric Fiselier2016-01-261-0/+8
| | | | | | Michael Daniels. llvm-svn: 258852
* Implement LWG#2385; remove the allocator-aware std::function::assign call. ↵Marshall Clow2016-01-251-0/+4
| | | | | | It was useless, and didn't actually *do anything* with the allocator. Now it's gone. On the off chance that someone is mistakenly calling it, it's only gone in C++1z llvm-svn: 258697
* Fix test to pass in C++03Marshall Clow2016-01-231-16/+51
| | | | llvm-svn: 258593
* Implement LWG#2101 'Some transformation types can produce impossible types' ↵Marshall Clow2016-01-216-13/+267
| | | | | | Introduced a new (internal) type trait '__is_referenceable' with tests. Use that trait in add_lvalue_reference, add_rvalue_reference and add_pointer. llvm-svn: 258418
* [libcxx] Add appropriate 'REQUIRE' directives to tests that require en_US.UTF-8.Daniel Sanders2016-01-2124-1/+48
| | | | | | | | | | Reviewers: mclow.lists, hans Subscribers: bcraig, cfe-commits Differential Revision: http://reviews.llvm.org/D16406 llvm-svn: 258403
* Use TEST_STD_VER instead of __has_feature to detect noexcept. This fixes the ↵Eric Fiselier2016-01-201-2/+3
| | | | | | test with GCC. llvm-svn: 258292
* More string fixes for noexcept cases. Apparently I didn't get them all in ↵Marshall Clow2016-01-205-1/+9
| | | | | | r258281. llvm-svn: 258291
* Mark some test XFAIL for GCC 4.9 due to missing is_trivial* traitsEric Fiselier2016-01-2012-3/+39
| | | | llvm-svn: 258287
* Got the test backwards in r258279. Fixed that and de-tabbedMarshall Clow2016-01-201-166/+166
| | | | llvm-svn: 258281
* Fix up the tests I added for string exceptions to be skipped when exceptions ↵Marshall Clow2016-01-205-0/+29
| | | | | | are disabled llvm-svn: 258279
* Fix enviroment variables when running shell scriptsEric Fiselier2016-01-191-1/+1
| | | | llvm-svn: 258217
* Add missing license headersEric Fiselier2016-01-1917-0/+148
| | | | llvm-svn: 258196
* Mark slow ASAN/MSAN tests as XFAIL for now.Eric Fiselier2016-01-193-0/+10
| | | | llvm-svn: 258195
* Fix PR#26175. Thanks to Josh Petrie for the report and the patch. Reviewed ↵Marshall Clow2016-01-191-0/+1
| | | | | | as http://reviews.llvm.org/D16262 llvm-svn: 258107
* Better comments in test. NFCMarshall Clow2016-01-131-2/+3
| | | | llvm-svn: 257702
* Fix test for C++03 - lacking noexceptMarshall Clow2016-01-131-0/+4
| | | | llvm-svn: 257696
* Fix PR#25973 : 'basic_string::assign(InputIt, InputIt) doesn't provide the ↵Marshall Clow2016-01-1340-38/+689
| | | | | | strong exception safety guarantee'. This turned out to be a pervasive problem in <string>, which required a fair amount of rework. Add in an optimization for when iterators provide noexcept increment/comparison/assignment/dereference (which covers many of the iterators in libc++). Reviewed as http://reviews.llvm.org/D15862 llvm-svn: 257682
* [WebAssembly] Set std::numeric_limits's traps field for WebAssembly.Dan Gohman2016-01-131-1/+2
| | | | | | | WebAssembly's integer division instruction traps on division by zero; set the traps field of integral std::numeric_limits to true. llvm-svn: 257612
* One more missing std:: qualification from JonathanMarshall Clow2016-01-121-1/+2
| | | | llvm-svn: 257506
* Add a bunch of missing includes in the test suite to make it more portable. ↵Marshall Clow2016-01-1259-116/+175
| | | | | | Fixes bugs #26120 and #26121. Thanks to Jonathan Wakely for the reports and the patches. llvm-svn: 257474
* [libcxx] Set LC_ALL rather than LC_COLLATE to override collation.Ahmed Bougacha2016-01-071-1/+1
| | | | | | | r251131 replaced LANG with LC_COLLATE. But LC_ALL has precedence over both, so the test still fails when LC_ALL=C. llvm-svn: 257018
* Add explicit include directives; the file was getting implicitly included ↵Marshall Clow2016-01-054-0/+4
| | | | | | already. NFC llvm-svn: 256864
* Remove some test scaffolding that I added and then didn't need. No ↵Marshall Clow2016-01-051-29/+0
| | | | | | functional change llvm-svn: 256861
* First half of LWG#2354: 'Unnecessary copying when inserting into maps with ↵Marshall Clow2016-01-055-4/+160
| | | | | | braced-init syntax' llvm-svn: 256859
* [libcxx] Fix typo in darwin target_info.py introduced by r256621.Ahmed Bougacha2016-01-041-1/+1
| | | | llvm-svn: 256772
* Print stacktrace with UBSANEric Fiselier2016-01-041-0/+1
| | | | llvm-svn: 256729
* Fix locale feature testing in test suite.Eric Fiselier2015-12-301-8/+28
| | | | llvm-svn: 256621
* Fix test failure in 32 bit modeEric Fiselier2015-12-291-4/+78
| | | | llvm-svn: 256598
* [libcxx] Fixing the Mac / Darwin buildBen Craig2015-12-291-0/+1
| | | | llvm-svn: 256594
* [libcxx] Fixing silly mistake from last commit.Ben Craig2015-12-291-1/+1
| | | | | | Tested on Linux x86_64 targeting Linux x86_64. llvm-svn: 256592
* [libcxx] Fixing the Linux sanitizer buildsBen Craig2015-12-291-1/+2
| | | | llvm-svn: 256591
* [libcxx] Refactoring target_info.pyBen Craig2015-12-292-182/+173
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes it easier to support running the lit tests for new and unusual platforms. It will break existing users that set LIBCXX_TARGET_INFO to anything other than the default. I think this is fine, because the old LIBCXX_TARGET_INFO wasn't terribly useful. The old way of supporting the different test platforms was to have conditional code scattered throughout config.py. New platforms would need to add conditionals there. Alternatively, the new platform could set no_default_flags to true, and reconstitue almost the entire compile and link line, including things that don't vary across platforms. The new way of supporting new platforms is to create a new target info class, and have make_target_info return an instance of it. For platforms supported in-tree, that will be done by modifying make_target_info. For out-of-tree platforms, users can set LIBCXX_TARGET_INFO at cmake configure time. The target info sub-classes can provide fine-grained information back to config.py. The hooks that will most commonly be provided will be add_cxx_compile_flags and add_cxx_link_flags. These hooks can provide the platform specific flags, while letting config.py handle all the invariant flags. Target info hooks were added for each area that the existing config.py had platform specific behavior. config.py is now mostly free of platform specific conditionals. This patch was tested on Linux x86_64. I both targeted Linux x86_64, and an out-of-tree platform with a custom target_info. In both cases I was able to run libcxx and libcxxabi tests. I do not have access to FreeBSD, Darwin, or Windows machines that are set up for lit testing. llvm-svn: 256588
* [libcxx] Fix LWG Issue #2367 - Fixing std::tuple and std::pair's default ↵Eric Fiselier2015-12-232-6/+175
| | | | | | | | | | | | | | constructors. Summary: This patch implements the solution for LWG Issue #2367. See http://cplusplus.github.io/LWG/lwg-active.html#2367 Reviewers: mclow.lists, EricWF Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D13750 llvm-svn: 256325
* Fix type in tuple test. Sorry for the noiseEric Fiselier2015-12-181-2/+2
| | | | llvm-svn: 255944
* [libcxx] LWG2485: get() should be overloaded for const tuple&&. Patch from ↵Eric Fiselier2015-12-186-11/+315
| | | | | | | K-Ballo. Review: http://reviews.llvm.org/D14839 llvm-svn: 255941
* Fix various GCC mis-configurations for newer versions.Eric Fiselier2015-12-152-8/+7
| | | | | | | | | | | | This patch goes through and enables C++11 and C++14 features for newer GCC's. The main changes are: 1. Turn on variable templates. (Uses __cpp_variable_templates) 2. Assert atomic<Tp> is trivially copyable (Uses _GNUC_VER >= 501). 3. Turn on trailing return support for GCC. (Uses _GNUC_VER >= 404) 4. XFAIL void_t test for GCC 5.1 and 5.2. Fixed in GCC 6. llvm-svn: 255585
* Update how libc++/libc++abi link the tests. Follow up on r255559.Eric Fiselier2015-12-141-3/+4
| | | | llvm-svn: 255560
* K-Ballo pointed out a mistake in the add_lvalue_ref tests I checked in; now ↵Marshall Clow2015-12-141-7/+7
| | | | | | more of them are passing. Thanks llvm-svn: 255519
* Fix a corner case that involved calling rethrow_if_nested with a type that ↵Marshall Clow2015-12-141-1/+9
| | | | | | had a deleted operator&. Added a test to catch this as well. Thanks to Ville for the heads-up. llvm-svn: 255517
* Add add_lvalue_ref tests for a few function types, with a note why not moreMarshall Clow2015-12-141-0/+36
| | | | llvm-svn: 255513
* Use __make_integer_seq builtin for std::make_integer_sequence. Patch by K-ballo.Eric Fiselier2015-12-095-11/+55
| | | | llvm-svn: 255162
* Last bit of P0006; mark it as completeMarshall Clow2015-11-301-0/+4
| | | | llvm-svn: 254290
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