Remove cancel and make crash exit with code 253.

sdk/lib/_internal/compiler/implementation/dump_info.dart

Index: sdk/lib/_internal/compiler/implementation/dump_info.dart
diff --git a/sdk/lib/_internal/compiler/implementation/dump_info.dart b/sdk/lib/_internal/compiler/implementation/dump_info.dart
index 29f0ace02589c5540067aac84238dd3b628bd2a3..988dbb95cf6f112c6f2d1b65993abfc2620cfb7d 100644
--- a/sdk/lib/_internal/compiler/implementation/dump_info.dart
+++ b/sdk/lib/_internal/compiler/implementation/dump_info.dart
@@ -235,9 +235,9 @@ class InfoDumpVisitor extends ElementVisitor<InfoNode> {
   InfoDumpVisitor(Compiler this.compiler);
 
   InfoNode visitElement(Element element) {
-    compiler.internalError("This element of kind ${element.kind} "
-        "does not support --dump-info",
-        token: element.position());
+    compiler.internalError(element,
+        "This element of kind ${element.kind} "
+        "does not support --dump-info");
     return null;
   }