[kernel] Offsets on loops

pkg/kernel/lib/ast.dart

Index: pkg/kernel/lib/ast.dart
diff --git a/pkg/kernel/lib/ast.dart b/pkg/kernel/lib/ast.dart
index be31d44683f422878de898e67f0bb133699aba84..fb8f22cb9d42e2a6969b376e134ac9cfc7e1e6b9 100644
--- a/pkg/kernel/lib/ast.dart
+++ b/pkg/kernel/lib/ast.dart
@@ -3432,6 +3432,12 @@ class ForStatement extends Statement {
 }
 
 class ForInStatement extends Statement {
+  /// Offset in the source file it comes from.
+  ///
+  /// Valid values are from 0 and up, or -1 ([TreeNode.noOffset]) if the file offset is

[Johnni Winther, 2017/08/08 11:00:42]

Long line.

+  /// not available (this is the default if none is specifically set).
+  int bodyOffset = TreeNode.noOffset;
+
   VariableDeclaration variable; // Has no initializer.
   Expression iterable;
   Statement body;