Fix for parsing annotations before variables in for-loop with Fasta.

pkg/analyzer/lib/src/fasta/ast_builder.dart

Index: pkg/analyzer/lib/src/fasta/ast_builder.dart
diff --git a/pkg/analyzer/lib/src/fasta/ast_builder.dart b/pkg/analyzer/lib/src/fasta/ast_builder.dart
index 1308feea31b15ad0a4826159aa6bd47113c2591e..494bbe621902833fc08224ef6715fff5fa0ffdd3 100644
--- a/pkg/analyzer/lib/src/fasta/ast_builder.dart
+++ b/pkg/analyzer/lib/src/fasta/ast_builder.dart
@@ -532,11 +532,11 @@ class AstBuilder extends ScopeListener {
     TypeAnnotation type = pop();
     _Modifiers modifiers = pop();
     Token keyword = modifiers?.finalConstOrVarKeyword;
-    pop(); // Metadata.
-    pop(); // Comment.
+    List<Annotation> metadata = pop();
+    Comment comment = pop();
     push(ast.variableDeclarationStatement(
         ast.variableDeclarationList(
-            null, null, toAnalyzerToken(keyword), type, variables),
+            comment, metadata, toAnalyzerToken(keyword), type, variables),
         toAnalyzerToken(endToken)));
   }