tree 4a683c0aac1af88db8138cdcb36ecd2d006f2f7a
parent 5fa60c3db4208df407113b5a69d295a9c93d53b1
author buzbee <buzbee@google.com> 1365184734 -0700
committer buzbee <buzbee@google.com> 1365627877 -0700

Compiler: continuing refactoring

Moving the arena memory allocation mechanism into it's own class as
a prelude to cleaning up the MIR and LIR data structures.

Reworked bit vector as a class using placement new w/ the arena
allocator.

Reworked GrowableList as a class template using the new arena
allocator and renamed to GrowableArray.

Change-Id: I639c4c08abe068094cae2649e04f58c8addd0015