https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86643
Bug ID: 86643
Summary: [9 Regression] basic_ostringstream usage leads
to:undefined reference to
`std::__cxx11::basic_stringstream
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: burnus at gcc dot gnu.org
CC: redi at gcc dot gnu.org
Target Milestone: ---
Compiling ostringstream example fails to link with GCC 9 (today's version);
works with GCC 8.
# g++ foo.cc
/tmp/ccBHU05J.o: In function `main':
foo.cc:(.text+0x17): undefined reference to
`std::__cxx11::basic_stringstream<char, std::char_traits<char>,
std::allocator<char> >::basic_stringstream()'
collect2: error: ld returned 1 exit status
Example from:
https://en.cppreference.com/w/cpp/io/basic_ostringstream/basic_ostringstream
