[Bug c++/24985] caret diagnostics

[dodji at seketeli dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24985

--- Comment #28 from dodji at seketeli dot org <dodji at seketeli dot org> 2012-04-09 16:19:15 UTC ---
"manu at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> a écrit:

> Of course, it needs some fine-tuning to avoid repetitions, but this is
> a problem with the locations given by the macro expansion unwinder,
> which, in my opinion, doesn't give the best location for each message
> and already produces repetitions. See:
>
> /home/manuel/macro-caret.c: In function ‘g’:
> /home/manuel/macro-caret.c:5:14: error: invalid operands to binary << (have
> ‘double’ and ‘int’)
>    OPERATE (A,<<,B)
>               ^
> /home/manuel/macro-caret.c:2:9: note: in expansion of macro 'OPERATE'
>    OPRD1 OPRT OPRD2;
>          ^
> /home/manuel/macro-caret.c:5:3: note: expanded from here
>    OPERATE (A,<<,B)
>    ^
> /home/manuel/macro-caret.c:5:14: note: in expansion of macro 'SHIFTL'
>    OPERATE (A,<<,B)
>               ^
> /home/manuel/macro-caret.c:8:3: note: expanded from here
>    SHIFTL (A,1)
>    ^
> /home/manuel/macro-caret.c:8:3: note: in expansion of macro 'MULT'
>    SHIFTL (A,1)
>    ^
> /home/manuel/macro-caret.c:13:3: note: expanded from here
>    MULT (1.0);// 1.0 << 1; <-- so this is an error.
>    ^

Could you please file a specific bug for this and CC me?  I'd be
interested to give this a look.

Thanks.