Update codeOffset/codeLength during incremental resolution.

pkg/analyzer/lib/src/generated/incremental_resolution_validator.dart

Index: pkg/analyzer/lib/src/generated/incremental_resolution_validator.dart
diff --git a/pkg/analyzer/lib/src/generated/incremental_resolution_validator.dart b/pkg/analyzer/lib/src/generated/incremental_resolution_validator.dart
index cf2c0dda5cd198ab6f1412d4eaf4b236f221d02f..f4a8966b531330da8f289ffd1d5814ee31af378e 100644
--- a/pkg/analyzer/lib/src/generated/incremental_resolution_validator.dart
+++ b/pkg/analyzer/lib/src/generated/incremental_resolution_validator.dart
@@ -849,7 +849,13 @@ class _SameResolutionValidator implements AstVisitor {
       return;
     }
     if (a.nameOffset != b.nameOffset) {
-      _fail('Expected: ${b.nameOffset}\n  Actual: ${a.nameOffset}');
+      _fail('nameOffset\nExpected: ${b.nameOffset}\n  Actual: ${a.nameOffset}');
+    }
+    if (a is ElementImpl && b is ElementImpl && a.codeOffset != b.codeOffset) {
+      _fail('codeOffset\nExpected: ${b.codeOffset}\n  Actual: ${a.codeOffset}');
+    }
+    if (a is ElementImpl && b is ElementImpl && a.codeLength != b.codeLength) {

[Brian Wilkerson, 2016/03/04 19:28:03]

This code is duplicated.

[scheglov, 2016/03/04 19:36:31]

Done.

+      _fail('codeLength\nExpected: ${b.codeLength}\n  Actual: ${a.codeLength}');
     }
     if (a is LocalElement && b is LocalElement) {
       if (a.visibleRange != b.visibleRange) {