When JIT_IN_SEPARATE_THREAD is defined we generate Reactor routines on LLVM in a new thread. Since concurrent code generation was enabled by making ::jit thread-local, we need to assign it the pointer of the thread that creates the new thread. Bug: b/153803432 Change-Id: Ia7454ac5823d61a1fb139b337d2af2de3a5104af Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/44048Tested-by: Nicolas Capens <nicolascapens@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
