stage2: add support for root pkg

Fix some infinite recursions, because the code assumed that packages
cannot point to each other. But this assumption does not hold anymore.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/Package.zig b/src/Package.zig
index 33ff4766ca..03c9e9ea3d 100644
--- a/src/Package.zig
+++ b/src/Package.zig
@@ -58,7 +58,9 @@ pub fn destroy(pkg: *Package, gpa: *Allocator) void {
     {
         var it = pkg.table.iterator();
         while (it.next()) |kv| {
-            kv.value.destroy(gpa);
+            if (pkg != kv.value) {
+                kv.value.destroy(gpa);
+            }
             gpa.free(kv.key);
         }
     }