[PATCH] D16467: [libcxx] re.results.form: Format out-of-range subexpression references as null

[Marshall Clow via cfe-commits]

mclow.lists added a comment.

Not crashing is good; but silently returning a "wrong" answer rubs me the wrong way.  I'll do some research and get back to you on this, but maybe throwing an exception is a better response.

The code looks fine, though; I'm just not sure it's the right thing to do.


http://reviews.llvm.org/D16467