Swap inserts to keep the original ordering

Author: jonas-schievink

src/librustc_mir/transform/generator.rs

@@ -1099,17 +1099,17 @@ fn create_generator_resume_function<'tcx>(
     // Panic when resumed on the returned or poisoned state
     let generator_kind = body.generator_kind.unwrap();
 
-    if can_return {
+    if can_unwind {
         cases.insert(
             1,
-            (RETURNED, insert_panic_block(tcx, body, ResumedAfterReturn(generator_kind))),
+            (POISONED, insert_panic_block(tcx, body, ResumedAfterPanic(generator_kind))),
         );
     }
 
-    if can_unwind {
+    if can_return {
         cases.insert(
             1,
-            (POISONED, insert_panic_block(tcx, body, ResumedAfterPanic(generator_kind))),
+            (RETURNED, insert_panic_block(tcx, body, ResumedAfterReturn(generator_kind))),
         );
     }