Clean up buffer area when rewinding
authorBehdad Esfahbod <behdad@behdad.org>
Wed, 20 Jul 2016 08:43:56 +0000 (01:43 -0700)
committerBehdad Esfahbod <behdad@behdad.org>
Wed, 20 Jul 2016 08:44:47 +0000 (01:44 -0700)
commit6363d7df28dc4307ef1abb9857d14c35e656b85a
treea9c4693ea2386560efa4f65e99f2bad09c4e019a
parentf80c34eb556d12c45c961d6742c289baef58899d
Clean up buffer area when rewinding

Fixes https://bugs.chromium.org/p/chromium/issues/detail?id=614647
If allocation fails, we might be leaving junk behind.  At least
clear it up.
src/hb-buffer.cc