[Bug c/99720] Feature Request: Better errors for C++ features when compiling C (pass by reference)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99720

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |diagnostic
   Last reconfirmed|                            |2021-03-23
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  The caret diagnostic will probably ring a bell for the user but a
fixit hint would be nice indeed:

t.c:1:15: error: expected ';', ',' or ')' before '&' token
    1 | void foo (int &i);
      |               ^