Re: [PATCH] detect unknown type names in declaration

[Paolo Bonzini <bonzini at gnu dot org>]

On 11/13/2010 03:15 PM, H.J. Lu wrote:
> On Sat, Oct 30, 2010 at 6:24 AM, Paolo Bonzini<bonzini@gnu.org>  wrote:
> > This patch improves GCC error detection so that some cases of
> > declarations with unknown type names are detected.  This also
> > allows GCC to do better on cascading errors, because the variables
> > that are declared enter the symbol table.
> >
> > Bootstrapped/regtested x86_64-pc-linux-gnu, ok?
> >
> > 2010-10-30  Paolo Bonzini<bonzini@gnu.org>
> >
> >         * c-parser.c (c_parser_next_token_starts_declaration): Rename to...
> >         (c_parser_next_tokens_start_declaration): ... this.  Handle 2nd
> >         token lookahead.
> >         (c_parser_compound_statement_nostart, c_parser_label,
> >         c_parser_for_statement, c_parser_omp_for_loop): Adjust calls.
> >         (c_parser_declaration_or_fndef): Detect the case now matched by
> >         c_parser_next_tokens_start_declaration, give error and correct it.
>
> This caused:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46462

I'm committing the attached testsuite patch, which simply adjust the 
errors (they are now more precise).  I'll post shortly a small 
adjustment to the C parser to unbreak Objective-C foreach and improve 
error recovery further.

Paolo

Attachment: tests-46462.patch
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