1 files changed, 17 insertions, 0 deletions
diff --git a/Test/wishlist/calc.dfy b/Test/wishlist/calc.dfy
new file mode 100644
index 00000000..308fbb9a
--- /dev/null
+++ b/Test/wishlist/calc.dfy
@@ -0,0 +1,17 @@
+// RUN: %dafny /compile:0 /print:"%t.print" /dprint:"%t.dprint" "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+// There is a bug in Dafny that causes the error from `L` to be reported at
+// position 0 in this file, instead of on a curly brace.
+
+lemma L()
+  ensures false {
+    calc { true; }
+}
+
+// Empty calc statements work fine, though:
+
+lemma L'()
+  ensures false {
+    calc { }
+}