Merged r18263, r18298, r18314, r18319, r18420, r18421 into 3.23 branch.

Fix loop side-effects of deoptimizing loops with a nested live OSR loop.

Initialize Date parse cache with SMI instead of double to workaround sharing mutable heap numbers in snapshot.

Flush instruction cache for deserialized code objects.

Fix NotifyStubFailureSaveDoubles generation for ia32.

Fix a race between concurrent recompilation and OSR.

ARM: fix loading of global object in LWrapReceiver.

BUG=280531,330046,318420
LOG=N
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/127963002

git-svn-id: https://v8.googlecode.com/svn/branches/3.23@18485 ce2b1a6d-e550-0410-aec6-3dcde31c8c00