Fix compiler_llvm bugs.
Fix compiler_llvm bugs.

2 bugs:
  The size of new-array should be in the register.
  LoadConstantString branches to the wrong, opposite label.

Change-Id: Ie6b1fab98e253a2f229d0e81fa3240dc73a1f8d2

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst