ww: finish initialization validation parity

test/wcc/data/alias_infptr_global/case.ww

@@ -1,10 +1,6 @@
-//ww:error "runtime initializer unsupported (alloc/call; rule 7)"
-// Module-scope alloc initializer: no DATAW slot exists for a
-// runtime-computed global, so pre-reject every reference died at
-// LINK time ("undefined reference to 'main.gp'") — the checker now
-// rejects at the declaration on both frontends (Hare model:
-// ref/harec/src/check.c:4360 rejects non-compile-time-evaluable
-// global initializers; ww has no @init path).
+//ww:run
+// A module-scope allocation is evaluated once by the package task before
+// main; its pointer remains live in the zero-backed package variable.
 package main;
 type box = struct { s: str, n: int };
 let gp = alloc(box { s = "hi", n = 1 })!;