Fix crashes when a resolution method is passed to PrettyMethod.
Fix crashes when a resolution method is passed to PrettyMethod.

Found by dump-oat-boot.

Change-Id: Icf670e37663c9761f64a683ea22a7a9c4df68b97

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