fix(tvix/eval): thunk all uses of `with` r/4802

With this all other "weird scope" logic starts working for `with` as
well.

Change-Id: I0ea1d8c5fbd9cec5084bd574224f77b71ff2b487
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6487
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-deferred-with.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-deferred-with.nix
new file mode 100644
index 000000000000..af227ae28e87
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-deferred-with.nix
@@ -0,0 +1,8 @@
+# Tests using `with` on a set that does not yet exist on the stack.
+
+let
+  result = with set; value;
+  set = {
+    value = 42;
+  };
+in result