* src/vm/jit/arm/arch.h, src/vm/jit/powerpc/arch.h, src/vm/jit/sparc64/arch.h,

* src/vm/jit/arm/arch.h, src/vm/jit/powerpc/arch.h, src/vm/jit/sparc64/arch.h,
src/vm/jit/alpha/arch.h, src/vm/jit/s390/arch.h, src/vm/jit/mips/arch.h,
src/vm/jit/powerpc64/arch.h, src/vm/jit/i386/arch.h, src/vm/jit/x86_64/arch.h
(REPLACEMENT_STUB_SIZE): Removed obsolete define.

* src/vm/jit/powerpc/md.c, src/vm/jit/sparc64/md.c, src/vm/jit/alpha/md.c,
src/vm/jit/mips/md.c, src/vm/jit/powerpc64/md.c, src/vm/jit/i386/md.c,
src/vm/jit/x86_64/md.c
(md_patch_replacement_point): We have to use trap instructions here.