I wrote a simple solution that works, but I'd like someone more PIR-
savvy to improve it.
http://github.com/chrisdolan/rakudo/tree/package-redeclaration (5d6cec9)
--- a/src/parser/methods.pir
+++ b/src/parser/methods.pir
@@ -30,8 +30,11 @@ Registers a type in the namespace.
# Check if the symbol already exists in the NS; if so we record
it as
# an existing type.
$P0 = get_hll_global ns, short_name
- unless null $P0 goto type_exists
+ if null $P0 goto no_namespace
+ $S0 = typeof $P0
+ unless $S0 == 'NameSpace' goto type_exists
+ no_namespace:
# Work outwards to find a block defining a package and put the
type
# there. XXX This makes it too visible for lexical types, but
if we
# assume lexical rather than package scope then we will fail
various
