1 files changed, 20 insertions, 0 deletions
diff --git a/Test/dafny0/one-message-per-failed-precondition.dfy b/Test/dafny0/one-message-per-failed-precondition.dfy
new file mode 100644
index 00000000..ef4f5bd6
--- /dev/null
+++ b/Test/dafny0/one-message-per-failed-precondition.dfy
@@ -0,0 +1,20 @@
+// RUN: %dafny /compile:0 /print:"%t.print" /dprint:"%t.dprint" "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+// When a function call violates two preconditions at the same time, it causes
+// two errors to be reported for the same token
+
+method A(x: int)
+  requires x > 0
+  requires x < 0
+{}
+
+method B(x: int) {
+  A(x);
+}
+
+function fA(x: int): int
+  requires x > 0
+  requires x < 0 { 1 }
+
+function fB(x: int): int { fA(x) }