1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/run-pass/over-constrained-vregs.rs b/src/test/run-pass/over-constrained-vregs.rs
new file mode 100644
index 00000000..914373f0
--- /dev/null
+++ b/src/test/run-pass/over-constrained-vregs.rs
@@ -0,0 +1,10 @@
+// Regression test for issue #152.
+
+fn main() {
+  let uint b = 1u;
+  while (b <= 32u) {
+    0u << b;
+    b <<= 1u;
+    log b;
+  }
+}