Detach mapping to local in ctx_set_local_type
Similar to the previous fix to ctx_clear_local_types, we must detach mappings to a local if we are changing its value.
Added by jhawthorn (John Hawthorn) about 4 years ago
Detach mapping to local in ctx_set_local_type
Similar to the previous fix to ctx_clear_local_types, we must detach
mappings to a local if we are changing its value.