proc_macro: don't panic parsing ..= (fix #47950)

rust-lang · Feb 6, 2018 · 3cf73f4 · 3cf73f4
1 parent 6c04c41
commit 3cf73f4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/libproc_macro/lib.rs b/src/libproc_macro/lib.rs
@@ -685,7 +685,7 @@ impl TokenTree {
                 })
             }
 
-            DotEq => unreachable!(),
+            DotEq => joint!('.', Eq),
             OpenDelim(..) | CloseDelim(..) => unreachable!(),
             Whitespace | Comment | Shebang(..) | Eof => unreachable!(),
         };