Fix an assert in constrained_gsharedvt_call_setup (), mono_class_interface_offset () returns a -1 on failure, not 0.
Remove #ifdefs from MonoTrampolineType, to prevent cross-compilation problems where the cross compiler and the target runtime have different defines. Also do a sanity check at aot load time.
Add error handling to calls of mono_reflection_create_custom_attr_data_args (). Fixes part of #13435.
[sdb] Fix round tripping of vtypes with boxed fields. Fixes #12354.