https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70276
--- Comment #2 from Stefan Holdermans ---
Note that the C++11 Standard (§27.4.1) prescribes that
"Concurrent access to a synchronized (§27.5.3.4) standard iostream object’s
formatted and unformatted input (§27.7.2.1) and output (§27.7.3.1) funct
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70276
--- Comment #1 from Stefan Holdermans ---
A possible solution would be to make the accesses to `std::ios_base::_M_width`
from `std::ios_base::width()` and `std::ios_base::width(streamsize)` atomic.
Currently, these functions are defined by
st
: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: stefan at vectorfabrics dot com
Target Milestone: ---
Consider the following C++11 program:
#include
#include
#include
int main()
{
std
