---

yaml
---
r: 234027
b: refs/heads/beta
c: 771ab35
h: refs/heads/master
i:
  234025: 870c2d4
  234023: bddf421
v: v3

Author: GuillaumeGomez

[refs]

@@ -23,7 +23,7 @@ refs/tags/0.9: 36870b185fc5f5486636d4515f0e22677493f225
 refs/tags/0.10: ac33f2b15782272ae348dbd7b14b8257b2148b5a
 refs/tags/0.11.0: e1247cb1d0d681be034adb4b558b5a0c0d5720f9
 refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
-refs/heads/beta: ec4ba272b00c7a7cae537a73d52f692a1a943e1b
+refs/heads/beta: 771ab35c3d3ee684a0d938fe50b1dc21edbca621
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: 370fe2786109360f7c35b8ba552b83b773dd71d6
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/src/librustc/diagnostics.rs

@@ -218,7 +218,14 @@ match x {
 E0010: r##"
 The value of statics and constants must be known at compile time, and they live
 for the entire lifetime of a program. Creating a boxed value allocates memory on
-the heap at runtime, and therefore cannot be done at compile time.
+the heap at runtime, and therefore cannot be done at compile time. Erroneous
+code example:
+
+```
+#![feature(box_syntax)]
+
+const CON : Box<i32> = box 0;
+```
 "##,
 
 E0011: r##"
@@ -335,7 +342,6 @@ is not allowed.
 
 If you really want global mutable state, try using `static mut` or a global
 `UnsafeCell`.
-
 "##,
 
 E0018: r##"
@@ -399,7 +405,13 @@ fn main() {
 
 E0020: r##"
 This error indicates that an attempt was made to divide by zero (or take the
-remainder of a zero divisor) in a static or constant expression.
+remainder of a zero divisor) in a static or constant expression. Erroneous
+code example:
+
+```
+const X: i32 = 42 / 0;
+// error: attempted to divide by zero in a constant expression
+```
 "##,
 
 E0022: r##"