[Bug c++/105580] [12/13 Regression] False warning "potential null pointer dereference" raised when using istreambuf_iterator and any "-O" flag

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105580

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |12.2
           Keywords|                            |diagnostic
            Summary|False warning "potential    |[12/13 Regression] False
                   |null pointer dereference"   |warning "potential null
                   |raised when using           |pointer dereference" raised
                   |istreambuf_iterator and any |when using
                   |"-O" flag                   |istreambuf_iterator and any
                   |                            |"-O" flag