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libstdc++: Fix typo in _Grapheme_cluster_view::_Iterator [PR115119]

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libstdc++-v3/ChangeLog:

	PR libstdc++/115119
	* include/bits/unicode.h (_Iterator::operator++(int)): Fix typo
	in increment expression.
	* testsuite/ext/unicode/grapheme_view.cc: Check post-increment
	on view's iterator.
This commit is contained in:
Jonathan Wakely 2024-05-16 17:15:55 +01:00
parent 4b9e68a6f3
commit c9e05b03c1
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2 changed files with 15 additions and 2 deletions
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6
libstdc++-v3/include/bits/unicode.h
View file

@ -34,10 +34,12 @@
#include <array>
#include <bit> // bit_width
#include <charconv> // __detail::__from_chars_alnum_to_val_table
#include <string_view>
#include <cstdint>
#include <bits/stl_algo.h>
#include <bits/stl_iterator.h>
#include <bits/ranges_base.h>
#include <bits/ranges_base.h> // iterator_t, sentinel_t, input_range, etc.
#include <bits/ranges_util.h> // view_interface
namespace std _GLIBCXX_VISIBILITY(default)
{
@ -802,7 +804,7 @@ inline namespace __v15_1_0
operator++(int)
{
auto __tmp = *this;
++this;
++*this;
return __tmp;
}

11
libstdc++-v3/testsuite/ext/unicode/grapheme_view.cc
View file

@ -83,10 +83,21 @@ test_breaks()
VERIFY( iter == gv.end() );
}
constexpr void
test_pr115119()
{
// PR 115119 Typo in _Grapheme_cluster_view::_Iterator::operator++(int)
uc::_Grapheme_cluster_view gv(" "sv);
auto it = std::ranges::begin(gv);
it++;
VERIFY( it == std::ranges::end(gv) );
}
int main()
{
auto run_tests = []{
test_breaks();
test_pr115119();
return true;
};