test/lang: absorb retired-carrier coverage

local_zeroinit_test.ww takes the 840/944 zero-init seam (dirty-frame
prime and probe share one @test because the runtime forks per test);
alias_cgen_b6, alloc_nested_field, array_static_init, and
strarray_static gain the rows their retired wrappers held; the
remaining files re-point reject-row citations at the r788_* and
stage-matrix fixtures.

test/lang/alloc_nested_field_test.ww

@@ -9,12 +9,11 @@
 // helper in DST_PTR_SP mode (base reloaded from the pushed heap ptr at
 // (SP)), which recurses to arbitrary depth.
 //
-// Every row reads the heap struct back via `let o: T = *p` (a whole-
-// struct deref-load to a BP-rel local) so the assertions never traverse
-// the chained-dot-through-heap-ptr read path (a separate pre-existing
-// cs!=ww the C7c fill fix does not touch). Each row asserts the nested
-// leaf VALUE (reddens when the fix is reverted: the dropped leaf reads
-// 0) AND the sibling scalar leaves before/after it (no clobber).
+// The nested-field rows read the heap struct back via `let o: T = *p` so
+// they isolate heap filling from chained pointer traversal. The alias-head and
+// exact direct control both read p.x/p.y: together they preserve the old #26
+// wrapper's alias-vs-non-alias comparison. Every row asserts the affected
+// values independently.
 
 package alloc_nested_field_test;
 
@@ -28,6 +27,21 @@ type WithArr = struct { lead: i64, arr: [3]i64, trail: i64 };
 
 type TwoNest = struct { head: i64, s: Inner, arr: [2]i64, tail: i64 };
 
+type AliasPoint = struct { x: i64, y: i64 };
+type AliasPt = AliasPoint;
+
+@test fn alias_named_struct() void = {
+	let p: *AliasPt = alloc(AliasPt{ x = 1, y = 2 })!;
+	assert(p.x == 1);
+	assert(p.y == 2);
+};
+
+@test fn direct_named_struct_control() void = {
+	let p: *AliasPoint = alloc(AliasPoint{ x = 1, y = 2 })!;
+	assert(p.x == 1);
+	assert(p.y == 2);
+};
+
 @test fn depth1_nested_struct() void = {
 	// Inner{q=10} is the field VALUE of x; pre-fix x.q dropped to 0.
 	let p = alloc(Outer{ x = Inner{ q = 10 }, y = 5 })!;