On Tue, Nov 08, 2011 at 11:46:14PM +0100, FX wrote: > Substrings can't have length of less than zero (i.e. negative length). For > example, "foo"(:-1) is the same as "foo"(:0) and "foo"(2:1); all are > zero-length strings. The patch for PR 48876 fixed part of an issue of > substring simplification, making sure the endpoint of the substring is never > less than zero. But, the actual condition should be: never less than the > starting point. > > So, the attached patch corrects the fix for PR 48876 and fixes PR 50409. It > expands the original testcase to include the code triggering the new PR. > > Regtested on x86_64-apple-darwin11, OK to commit to trunk? > FX >
OK. -- Steve
