Remove all references to the old non-TLS enabled base URL (http://swift.org)
Swift SVN r22327
Delete the non-placement operator new/delete in the SILAllocated CRTP base so that the compiler saves us from accidentally allocating and leaking SILInstructions on the main heap instead of the owning SILModule's BPA. Swift SVN r5468
reflect their contents. Swift SVN r5198