Rewrite rustboot's flow-graph wiring passes to be less awful. Add test for nested control-flow constructs.

1 files changed, 26 insertions, 0 deletions

diff --git a/src/test/run-pass/typestate-cfg-nesting.rs b/src/test/run-pass/typestate-cfg-nesting.rs
new file mode 100644
index 00000000000..8f0506469b1
--- /dev/null
+++ b/src/test/run-pass/typestate-cfg-nesting.rs
@@ -0,0 +1,26 @@
+
+fn f() {
+
+  auto x = 10;
+  auto y = 11;
+  if (true) {
+    alt (x) {
+      case (_) {
+        y = x;
+      }
+    }
+  } else {
+  }
+}
+
+fn main() {
+
+  auto x = 10;
+  auto y = 11;
+  if (true) {
+    while (false) {
+        y = x;
+    }
+  } else {
+  }
+}