[Bug libstdc++/105441] The floating point overload of from_chars ignores 'P' for hex format
hewillk at gmail dot com
gcc-bugzilla@gcc.gnu.org
Sat Apr 30 17:35:48 GMT 2022
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105441
--- Comment #1 from 康桓瑋 <hewillk at gmail dot com> ---
floating_from_chars.cc#L667
// Parse the written exponent.
int written_exponent = 0;
if (first != last && *first == 'p')
{
// Tentatively consume the 'p' and try to parse a decimal number.
const char* const fallback_first = first;
it seems like it should be
if (first != last && std::tolower((unsigned char)*first) == 'p')
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