Build CFG for various JS() foreign methods

pkg/compiler/lib/src/kernel/kernel_visitor.dart

Index: pkg/compiler/lib/src/kernel/kernel_visitor.dart
diff --git a/pkg/compiler/lib/src/kernel/kernel_visitor.dart b/pkg/compiler/lib/src/kernel/kernel_visitor.dart
index 39a1a8d82024747a9ee131a5496efe576781eb37..2372496267ed4ec32adea2993593b668a54fa749 100644
--- a/pkg/compiler/lib/src/kernel/kernel_visitor.dart
+++ b/pkg/compiler/lib/src/kernel/kernel_visitor.dart
@@ -1925,7 +1925,7 @@ class KernelVisitor extends Object
 
   @override
   ir.Expression handleStaticFieldGet(Send node, FieldElement field, _) {
-    return buildStaticGet(field);
+    return associateNode(buildStaticGet(field), node);
   }
 
   @override
@@ -2132,7 +2132,8 @@ class KernelVisitor extends Object
       NodeList arguments,
       CallStructure callStructure,
       _) {
-    return buildStaticInvoke(function, arguments, isConst: false);
+    return associateNode(
+        buildStaticInvoke(function, arguments, isConst: false), node);
   }
 
   @override
@@ -2757,7 +2758,7 @@ class KernelVisitor extends Object
       FieldElement field = currentElement;
       return field.isMalformed
           ? new ir.InvalidExpression()
-          : visitForValue(field.initializer);
+          : associateNode(visitForValue(field.initializer), field.initializer);
     });
   }
 }