CTI: don't install a personality function for a 0-size CTI buffer
commit0416380cbf3997e2ddd2f939af0b372059cf968a
authorEdwin Smith <smith@fb.com>
Tue, 17 Sep 2019 13:49:30 +0000 (17 06:49 -0700)
committerHhvm Bot <hhvm-bot@users.noreply.github.com>
Tue, 17 Sep 2019 13:51:31 +0000 (17 06:51 -0700)
tree173c06b601980f736f84048323f699b4386b0f9c
parent6585abddb6f40b31c87791145ae6178a67b46ad1
CTI: don't install a personality function for a 0-size CTI buffer

Summary: Writing an `.eh_frame` entry for a 0-length memory region seems like inviting trouble.

Reviewed By: jjgriego

Differential Revision: D17344927

fbshipit-source-id: 3e1e9c0ad0f9a95cbda50846440f259ee43b91d6
hphp/runtime/vm/jit/tc-internal.cpp