On Wed, 24 Aug 2005, Paul Eggert wrote:
> Thanks for diagnosing the problem and providing a patch. I installed
> the following somewhat-different patch to glr.c, along with your test
> case; does it work for you?
<snip>
> - yydestruct ("Error: popping",
> - yystos[yys->yylrState],
> - &yys->yysemantics.yysval]b4_location_if([, &yys->yyloc])[);
> + if (yys->yyresolved)
> + yydestruct ("Error: popping",
> + yystos[yys->yylrState],
> + &yys->yysemantics.yysval]b4_location_if([, &yys->yyloc])[);
This approach is much easier, but it drops some diagnostic messages. I
thought trying to invoke YY_SYMBOL_PRINT() would be worthwhile.
Joel
