Re: yacc.c: Extracting yysyntax_error

[Akim Demaille]

>>> "Paul" == Paul Eggert <address@hidden> writes:

 > Unfortunately it's more complicated than that.  First, yysyntax_error
 > might return alloca storage, which is a no-no.

Yes, definitely :)

 > Second, if YYERROR_VERBOSE is not defined, yysyntax_error's args
 > are not used, and many compilers warn about this.

Agreed, I realize that my sentence about applying the patch is not
what I meant: I was more referring to its topic.

 > There's one more problem while we're in the area: a memory leak if
 > if YYSTACK_USE_ALLOCA is in effect.  Each syntax error uses up
 > more stack space.

Sorry, I fail to see how this can happen.

 > I've drafted a patch to fix these problems, but have not yet had time
 > to test it.  I'll try to do it soon.

Good news!  This will also help moving lalr1.cc to a YY18N compatible
scheme.