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-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-nested-thunks.exp1
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-nested-thunks.nix7
2 files changed, 8 insertions, 0 deletions
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-nested-thunks.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-thunks.exp
new file mode 100644
index 000000000000..d81cc0710eb6
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-thunks.exp
@@ -0,0 +1 @@
+42
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-nested-thunks.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-thunks.nix
new file mode 100644
index 000000000000..133929dd1961
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-thunks.nix
@@ -0,0 +1,7 @@
+# If a thunk yields another thunk, OpForce should keep forcing until
+# there is a value.
+let
+  a = b;
+  b = c;
+  c = 42;
+in a