Fix register allocation for hw remainder opcodes on armv7s. Fixes #12741.
When unloading domains, free dynamic assemblies first, since they have no ref counting, so they can depend on static assemblies which are already freed. Fixes #12786.
Emit dummy dwarf line number info for methods without line numbers, like wrappers.
Add a GSHAREDVT_REG_IREG return marshalling convention on ARM.