Bug 895931 - Follow up: avoid long overflow. r=trivial, a=bajaj
Bug 892366 - Support R_ARM_JUMP24 relocations in elfhack. r=nfroyd,a=bajaj
Bug 892366 - Support R_ARM_CALL relocations in elfhack. r=nfroyd,a=bajaj
Bug 892355 - Force enable elfhack with --enable-elf-hack. r=ted,a=bajaj