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Jonathan Wakely 8c84486bba libstdc++: Improve tests for constexpr algorithms 
These tests just return true without checking that the results of the
algorithms. Although it should be safe to assume that the algorithms
behave the same at compile-time as at run-time, we can use these tests
to verify it.

This replaces each 'return true' statement with a condition that depends
on the basic functionality of the algorithm, such as returning an
iterator to the right position.

libstdc++-v3/ChangeLog:

	* testsuite/25_algorithms/all_of/constexpr.cc: Check result of
	the algorithm.
	* testsuite/25_algorithms/any_of/constexpr.cc: Likewise.
	* testsuite/25_algorithms/binary_search/constexpr.cc: Likewise.
	* testsuite/25_algorithms/copy_backward/constexpr.cc: Likewise.
	* testsuite/25_algorithms/count/constexpr.cc: Likewise.
	* testsuite/25_algorithms/equal/constexpr.cc: Likewise.
	* testsuite/25_algorithms/equal_range/constexpr.cc: Likewise.
	* testsuite/25_algorithms/fill/constexpr.cc: Likewise.
	* testsuite/25_algorithms/find_end/constexpr.cc: Likewise.
	* testsuite/25_algorithms/find_if/constexpr.cc: Likewise.
	* testsuite/25_algorithms/is_partitioned/constexpr.cc: Likewise.
	* testsuite/25_algorithms/is_permutation/constexpr.cc: Likewise.
	* testsuite/25_algorithms/is_sorted_until/constexpr.cc:
	Likewise.
	* testsuite/25_algorithms/lexicographical_compare/constexpr.cc:
	Likewise.
	* testsuite/25_algorithms/lower_bound/constexpr.cc: Likewise.
	* testsuite/25_algorithms/merge/constexpr.cc: Likewise.
	* testsuite/25_algorithms/mismatch/constexpr.cc: Likewise.
	* testsuite/25_algorithms/none_of/constexpr.cc: Likewise.
	* testsuite/25_algorithms/partition_copy/constexpr.cc: Likewise.
	* testsuite/25_algorithms/remove_copy/constexpr.cc: Likewise.
	* testsuite/25_algorithms/remove_copy_if/constexpr.cc: Likewise.
	* testsuite/25_algorithms/remove_if/constexpr.cc: Likewise.
	* testsuite/25_algorithms/replace_if/constexpr.cc: Likewise.
	* testsuite/25_algorithms/reverse/constexpr.cc: Likewise.
	* testsuite/25_algorithms/reverse_copy/constexpr.cc: Likewise.
	* testsuite/25_algorithms/rotate_copy/constexpr.cc: Likewise.
	* testsuite/25_algorithms/search/constexpr.cc: Likewise.
	* testsuite/25_algorithms/set_difference/constexpr.cc: Likewise.
	* testsuite/25_algorithms/set_intersection/constexpr.cc:
	Likewise.
	* testsuite/25_algorithms/set_symmetric_difference/constexpr.cc:
	Likewise.
	* testsuite/25_algorithms/set_union/constexpr.cc: Likewise.
	* testsuite/25_algorithms/unique_copy/constexpr.cc: Likewise.
	* testsuite/25_algorithms/upper_bound/constexpr.cc: Likewise.
2020-10-29 14:47:18 +00:00
..
config libstdc++: Fix linker script 2020-10-28 23:52:12 +00:00
doc libstdc++: Update C++20 status documentation 2020-10-13 17:40:43 +01:00
include libstdc++: Allow Lemire's algorithm to be used in more cases 2020-10-29 14:47:18 +00:00
libsupc++ libstdc++: Add comment to nothrow new explaining catch (...) 2020-10-28 13:19:21 +00:00
po libstdc++: Regenerate makefiles 2020-06-23 07:59:40 +01:00
python libstdc++: Fix compatibility support in unique_ptr pretty printer 2020-08-10 18:47:06 +01:00
scripts libstdc++: Pass CXXFLAGS to check_performance script 2020-10-09 14:01:55 +01:00
src libstdc++: Implement C++20 features for <sstream> 2020-10-28 11:56:06 -07:00
testsuite libstdc++: Improve tests for constexpr algorithms 2020-10-29 14:47:18 +00:00
acinclude.m4 libstdc++: Implement C++20 features for <sstream> 2020-10-28 11:56:06 -07:00
aclocal.m4 Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
ChangeLog libstdc++: Correct PR number in ChangeLog entry 2020-10-29 09:28:43 -04:00
ChangeLog-1998
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ChangeLog-2019 libstdc++: Fix whitespace in ChangeLog-2019 2020-01-09 21:31:35 +00:00
config.h.in libstdc++: Add std::from_chars for floating-point types 2020-07-20 23:49:27 +01:00
configure libstdc++: Implement C++20 features for <sstream> 2020-10-28 11:56:06 -07:00
configure.ac libstdc++: Add std::from_chars for floating-point types 2020-07-20 23:49:27 +01:00
configure.host Scope libstdc++ configuration for vxworks to all versions 2020-10-22 16:40:57 +00:00
crossconfig.m4 Scope libstdc++ configuration for vxworks to all versions 2020-10-22 16:40:57 +00:00
fragment.am
linkage.m4
Makefile.am build: Use -include instead of conditional include. 2020-06-22 21:31:48 +00:00
Makefile.in build: Use -include instead of conditional include. 2020-06-22 21:31:48 +00:00
README

README 

file: libstdc++-v3/README

New users may wish to point their web browsers to the file
index.html in the 'doc/html' subdirectory.  It contains brief
building instructions and notes on how to configure the library in
interesting ways.