Fetch typarams from the outermost item frame, when inside an iter-block. One less crash in rustc.

1 files changed, 16 insertions, 0 deletions

diff --git a/src/test/run-pass/generic-iter-frame.rs b/src/test/run-pass/generic-iter-frame.rs
new file mode 100644
index 00000000..a3c48d78
--- /dev/null
+++ b/src/test/run-pass/generic-iter-frame.rs
@@ -0,0 +1,16 @@
+// Contrived example? No. It showed up in rustc's resolve pass.
+
+iter i() -> () {
+  put ();
+}
+
+fn foo[T](T t) {
+  let int x = 10;
+  for each (() j in i()) {
+    log x;
+  }
+}
+
+fn main() {
+  foo(0xdeadbeef_u);
+}