tree 9c1392794a0908fa504cdb3a8ef015cbcc0a886a
parent d5d1fb2020f685dc8ada470bded3c708837fb646
author Florian Mayer <fmayer@google.com> 1562934698 +0100
committer Florian Mayer <fmayer@google.com> 1563368911 +0000

Short circuit free(nullptr).

This is needed to prevent a crash that happens when we enable heapprof
while Bionic atrace is also enabled.

Cherry-pick of c3a91a37e4503eb6537a81c3a17ee3187ae196b7

Bug: 137284735

Test: flash walleye-userdebug
      profile system_server and concurrently run bionic atrace

Change-Id: Ia123a17b7df0790cb82c6c9073ce5638cd1a189f
Merged-In: Ia123a17b7df0790cb82c6c9073ce5638cd1a189f