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-rw-r--r--tvix/eval/src/compiler/mod.rs4
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-deferred-with.exp1
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-deferred-with.nix8
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-manual-rec.exp1
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-manual-rec.nix9
5 files changed, 22 insertions, 1 deletions
diff --git a/tvix/eval/src/compiler/mod.rs b/tvix/eval/src/compiler/mod.rs
index 8c06db981012..1ac5ae7fec39 100644
--- a/tvix/eval/src/compiler/mod.rs
+++ b/tvix/eval/src/compiler/mod.rs
@@ -172,7 +172,9 @@ impl Compiler<'_, '_> {
             ast::Expr::IfElse(if_else) => self.compile_if_else(slot, if_else),
             ast::Expr::LetIn(let_in) => self.compile_let_in(slot, let_in),
             ast::Expr::Ident(ident) => self.compile_ident(slot, ident),
-            ast::Expr::With(with) => self.compile_with(slot, with),
+            ast::Expr::With(with) => {
+                self.thunk(slot, &with, |c, w, s| c.compile_with(s, w.clone()))
+            }
             ast::Expr::Lambda(lambda) => self.compile_lambda(slot, lambda),
             ast::Expr::Apply(apply) => {
                 self.thunk(slot, &apply, move |c, a, s| c.compile_apply(s, a.clone()))
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-deferred-with.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-deferred-with.exp
new file mode 100644
index 000000000000..d81cc0710eb6
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-deferred-with.exp
@@ -0,0 +1 @@
+42
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
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-manual-rec.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-manual-rec.exp
new file mode 100644
index 000000000000..d81cc0710eb6
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-manual-rec.exp
@@ -0,0 +1 @@
+42
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-manual-rec.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-manual-rec.nix
new file mode 100644
index 000000000000..8e1256d764e3
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-manual-rec.nix
@@ -0,0 +1,9 @@
+# Manual desugaring of something similar to `rec`, to test lower level
+# recursion primitives.
+
+let
+  set = with set; {
+    a = 21;
+    b = a * 2;
+  };
+in set.b