KeyedLoadStubCompiler::GenerateLoadExternalArray is tail-calling a stub, which it is not allowed to, because its major key is higher than InstanceOf. Instead of changing the major key I decided to provide an inline implementation.

TEST=test-api/ExternalArrays with --noenable-vfp3

R=danno@chromium.org

Review URL: http://codereview.chromium.org/7060007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8002 ce2b1a6d-e550-0410-aec6-3dcde31c8c00