[Bug c/63591] No syntax error yielded for semicolons inside a function proto, instead code with memory corruption can be created

[manu at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63591

Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |manu at gcc dot gnu.org

--- Comment #2 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---


(In reply to Kjetil Matheussen from comment #0)
> This code should, as far as I know, not be legal C code:
> 
> extern int afunction(
>                      int anint,
>                      struct Happ *happ; // <- Extra semicolon
>                      );
> 
> int afunction(
>               int velocityvelocity,
>               struct Happ *happ
>               )
> {
>   return 208;
> }
> 
> 
> Gcc does not complain about this code, even with -Wall and -Werror.

GCC 5.0 complains by default.

manuel@gcc10:~$ ~/test1/216257/build/gcc/cc1 test.c  
test.c:9:15: warning: ‘struct Happ’ declared inside parameter list
               )
               ^
test.c:9:15: warning: its scope is only this definition or declaration, which
is probably not what you want

(The location is a bit off, yes).