---

yaml
---
r: 221614
b: refs/heads/master
c: d066a7b
h: refs/heads/master
v: v3

Author: pnkfelix

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 2d68d09b4679018d0ba3faf41d239251991bf17b
+refs/heads/master: d066a7b5069ff857a5bffe7cb5168fe63158144f
 refs/heads/snap-stage3: a5c12f4e39d32af3c951b66bd2839bc0b5a1125b
 refs/heads/try: b53c0f93eedcdedd4fd89bccc5a3a09d1c5cd23e
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105

trunk/src/test/compile-fail/pushpop-unsafe-rejects.rs

@@ -45,29 +45,30 @@ fn main() {
     });
 
 
-    // Note: For implementation simplicity I have chosen to just have
-    // the stack do "saturated pop", but perhaps we would prefer to
-    // have cases like these two here be errors:
-
-    pop_unsafe!{ g() };
-
-    push_unsafe!({
-        pop_unsafe!(pop_unsafe!{ g() })
-    });
-
-
-    // Okay, back to examples that do error, even in the presence of
-    // "saturated pop"
-
-    push_unsafe!({
-        g();
-        pop_unsafe!(pop_unsafe!({
-            f() //~ ERROR: call to unsafe function
-        }))
-    });
-
-    pop_unsafe!({
-        f(); //~ ERROR: call to unsafe function
-    })
+    // Note: For implementation simplicity the compiler just
+    // ICE's if you underflow the push_unsafe stack.
+    //
+    // Thus all of the following cases cause an ICE.
+    //
+    // (The "ERROR" notes are from an earlier version
+    //  that used saturated arithmetic rather than checked
+    //  arithmetic.)
+
+    //    pop_unsafe!{ g() };
+    //
+    //    push_unsafe!({
+    //        pop_unsafe!(pop_unsafe!{ g() })
+    //    });
+    //
+    //    push_unsafe!({
+    //        g();
+    //        pop_unsafe!(pop_unsafe!({
+    //            f() // ERROR: call to unsafe function
+    //        }))
+    //    });
+    //
+    //    pop_unsafe!({
+    //        f(); // ERROR: call to unsafe function
+    //    })
 
 }