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gcc/libstdc++-v3/testsuite/21_strings
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Jonathan Wakely fe3ed885cd libstdc++: Limit new basic_string(nullptr_t) constructor to C++23 [PR104099] 
The new deleted constructors added by P2166R1 are a breaking change,
making previously valid code ill-formed in C++23. As a result, they
should only be defined for C++23 and not for C++11 and up.

libstdc++-v3/ChangeLog:

	PR libstdc++/104099
	* include/bits/basic_string.h (basic_string(nullptr_t)): Only
	define for C++23.
	(operator=(nullptr_t)): Likewise.
	* include/bits/cow_string.h: Likewise.
	* include/std/string_view (basic_string_view(nullptr_t)):
	Likewise.
	* testsuite/21_strings/basic_string/cons/char/nullptr.cc: Adjust
	expected error. Add examples that become ill-formed in C++23.
	* testsuite/21_strings/basic_string_view/cons/char/nonnull.cc:
	Adjust expected errors.
	* testsuite/21_strings/basic_string_view/cons/wchar_t/nonnull.cc:
	Likewise.
2022-01-18 20:41:46 +00:00
..
basic_string libstdc++: Limit new basic_string(nullptr_t) constructor to C++23 [PR104099] 2022-01-18 20:41:46 +00:00
basic_string_view libstdc++: Limit new basic_string(nullptr_t) constructor to C++23 [PR104099] 2022-01-18 20:41:46 +00:00
c_strings Update copyright years. 2022-01-03 10:42:10 +01:00
char_traits/requirements Update copyright years. 2022-01-03 10:42:10 +01:00
debug Update copyright years. 2022-01-03 10:42:10 +01:00
headers libstdc++: Declare std::c8rtomb and std::mbrtoc8 if provided by the C library 2022-01-18 16:31:02 +00:00