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More native stack dump hardening.
authorElliott Hughes <enh@google.com>
Fri, 12 Apr 2013 18:51:51 +0000 (11:51 -0700)
committerElliott Hughes <enh@google.com>
Fri, 12 Apr 2013 21:54:42 +0000 (14:54 -0700)
commit9442265659fb274358c7f95900742d8d3a1a0fb5
tree2dabfa9be4cdff3a4234067974b1c115bc8bdb6e
parent7964f9ca0a14380a121c2757c566787b3d21bbe1
More native stack dump hardening.

Threads just starting up or shutting down might not have any managed
stack frames, leading to a NULL "currFrame" frame pointer in the
interpreter stack.

Bug: 8596028

(cherry picked from commit 46371593812d966c40e1ec4019e3c7c6613046a6)

Change-Id: I0fbc6d422bcae0fd080f7c1a63198755235e9e00
vm/Thread.cpp