Instantiate function preconditions inside the function body

so that if we have a function like:
f(...) : p(x) {
  ...
}

p(x) is true inside the body of f.

Closes #694.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/test/run-pass/typestate-transitive.rs b/src/test/run-pass/typestate-transitive.rs
new file mode 100644
index 00000000000..86dacb2f8e0
--- /dev/null
+++ b/src/test/run-pass/typestate-transitive.rs
@@ -0,0 +1,8 @@
+pred p(int i) -> bool { true }
+
+fn f(int i) : p(i) -> int { i }
+
+fn g(int i) : p(i) -> int { f(i) }
+
+fn main() {
+}