[cfe-dev] Likely bug with C++ and cast from incomplete type to void *

[Chris Lattner]

On Aug 3, 2010, at 6:03 AM, Abramo Bagnara wrote:

> 
> It seems that clang when compiling this tiny source in C++ mode refuses
> to cast void*(*)[] to void*.

Hi Abramo,

Please file a bugzilla for this and the -Wunreachable-code issue, thanks!

-Chris

> 
> The code is compiled without troubles in gcc, intel compiler and comeau.
> 
> $ cat bug.c
> extern void* x[];
> void* dummy[] = { &x };
> $ gcc -x c -c bug.c
> $ gcc -x c++ -c bug.c
> $ clang -x c -c bug.c
> $ clang -x c++ -c bug.c
> bug.c:2:19: error: cannot initialize an array element of type 'void *'
> with an
>      rvalue of type 'void *(*)[]'
> void* dummy[] = { &x };
>                  ^~
> 1 error generated.
> 
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