From: Eric Wong <normalperson@...>
Date: 2015-07-19T08:14:17+00:00
Subject: [ruby-core:70037] Re: [Ruby trunk - Feature #11371] [PATCH] parse.y (struct parser_params): pack to 4 cache lines on x86-64

nobu@ruby-lang.org wrote:
> Why remove this line?
> 
> > -    parser->parser_in_defined = 0;

Oops, I was going to MEMZERO-ing the whole struct (or rely on
TypedData_Make_Struct) but got distracted.  I'll keep that line
if I commit this patch.