[PATCH] Speed up LEX line cleaning a bit...

[David Miller]

From: Chris Lattner <clattner@apple.com>
Date: Sun, 14 Mar 2010 16:34:50 -0700

> On Mar 14, 2010, at 4:20 PM, David Miller wrote:
> 
>> Understood, but it's really not possible here since as you note we
>> either need to continue supporting spaces amidst backslash escaped
>> newlines, or warn about it if support is removed.
>> 
>> I was actually surprised that this construct was supported,
>> to be honest.  Who will really notice if we remove it? :-)
> 
> Unfortunately, a lot of real code depends on it, as horrifying as that is.

Ok, fair enough, we'll have to live with this restriction.