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In revision 698a6af5dc the _GLIBCXX_DEBUG code
for the Library Defect 438 has been removed as starting in C++11 the iterator
type is constrained through the _RequireInputIter requirement.
But the COW basic_string implementation used when _GLIBCXX_USE_CXX11_ABI=0 is
missing the _RequireInputIter constraint on a number of methods resulting in test
failures.
For the moment move the culprit __glibcxx_requires_valid_range call in the COW
basic_string implementation in a method where the iterator type has already been
checked.
libstdc++-v3/ChangeLog:
* include/bits/cow_string.h
(basic_string::replace(iterator, iterator, _InputIte, _InputIte)): Move
__glibcxx_requires_valid_range to...
(basic_string::_M_replace_dispatch(iterator, iterator, _InputIte,
_InputIte, __fase_type)): ...here.
* testsuite/21_strings/basic_string/debug/append_neg.cc: New test case.
* testsuite/21_strings/basic_string/debug/assign_neg.cc: New test case.
* testsuite/21_strings/basic_string/debug/construct_neg.cc: New test case.
* testsuite/21_strings/basic_string/debug/insert_neg.cc: New test case.
* testsuite/21_strings/basic_string/debug/replace_neg.cc: New test case.
Co-authored-by: Jonathan Wakely <jwakely@redhat.com>
Reviewed-by: Jonathan Wakely <jwakely@redhat.com>