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add a test and a couple minor bug fixes for the implicit-signed-integer-truncation sanitizer. This is PR#40566 

llvm-svn: 352926
This commit is contained in:
Marshall Clow 2019-02-01 21:59:27 +00:00
parent 259e1bdfdd
commit 2e719bc428
3 changed files with 7 additions and 2 deletions
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2
libcxx/include/locale
View File

@ -546,7 +546,7 @@ __num_get<_CharT>::__stage2_float_loop(_CharT __ct, bool& __in_units, char& __ex
__exp = 'P';
else if ((__x & 0x5F) == __exp)
{
__exp |= 0x80;
__exp |= (char) 0x80;
if (__in_units)
{
__in_units = false;

2
libcxx/include/sstream
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@ -558,7 +558,7 @@ basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c)
char_type* __p = const_cast<char_type*>(__str_.data());
this->setg(__p, __p + __ninp, __hm_);
}
return this->sputc(__c);
return this->sputc(traits_type::to_char_type(__c));
}
return traits_type::not_eof(__c);
}

5
libcxx/test/std/input.output/string.streams/stringstream.members/str.pass.cpp
View File

@ -58,4 +58,9 @@ int main()
ss << i << ' ' << 321;
assert(ss.str() == L"89 3219 ");
}
{
std::stringstream ss;
ss.write("\xd1", 1);
assert(ss.str().length() == 1);
}
}