These are usually suppressed in system headers, but should be fixed
anyway.
libstdc++-v3/ChangeLog:
* include/bits/parse_numbers.h (_Select_int_base): Avoid
narrowing conversion in constant expression.
* include/experimental/buffer (buffer_copy): Avoid narrowing
co
These are usually suppressed without -Wsystem-headers.
libstdc++-v3/ChangeLog:
* include/bits/hashtable_policy.h (_Local_iterator_base): Cast
value to avoid -Wsign-compare warnings.
* include/bits/regex.h (sub_match::_M_str): Avoid narrowing
conversion.
* i
