[PATCH] Fix crash parsing pragma after a case or a default

[Olivier Goffart]

On Monday 16 September 2013 11:43:00 Richard Smith wrote:
> I don't particularly like adding a NullStmt here -- there was no null
> statement in the source code, so this is not a faithful AST representation
> of the source.
> 
> This approach seems like it will also accept this:
> 
> switch (t) {
>   case 1:
> #pragma weak t
> }
> 
> We should probably reject this, because there is no statement after the
> case label. (That said, GCC accepts the above code, and fully treats these
> pragmas as being statement-like entities, so your patch would be
> bug-compatible with them.)
> 
> Does the same issue exist for goto labels?

The problem was the same for goto.

I attached a new patch that reject invalid code.

-- 
Olivier
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