tree f10bf94f63ad30aed84826db9a2dd73743152ee8
parent 99b1c14fc9f517f4882a596958ad2a0977d92daa
author Sebastien Hertz <shertz@google.com> 1375717660 +0200
committer Sebastien Hertz <shertz@google.com> 1375717660 +0200

Use reader writer mutex for safe checkcast map.

Use a ReaderWriterMutex to protect MethodVerifier::safecast_map_ like
what's done for MethodVerifier::dex_gc_maps_ and MethodVerifier::devirt_maps_.

Change-Id: Id2ac9c290cc524eb992ea7cabe63766e88753747