Resynthesize binary and prefix expressions.

pkg/analyzer/lib/src/summary/format.dart

Index: pkg/analyzer/lib/src/summary/format.dart
diff --git a/pkg/analyzer/lib/src/summary/format.dart b/pkg/analyzer/lib/src/summary/format.dart
index 4a0424b95421c18b30288ea1013ac5f483eb4f5d..56d7a02097dd05741e4c5f5adf068a0d94b109c4 100644
--- a/pkg/analyzer/lib/src/summary/format.dart
+++ b/pkg/analyzer/lib/src/summary/format.dart
@@ -86,12 +86,6 @@ class _ReferenceKindReader extends fb.Reader<ReferenceKind> {
  */
 enum UnlinkedConstOperation {
   /**
-   * Push the value of the n-th constructor argument (where n is obtained from
-   * [UnlinkedConst.ints]) onto the stack.
-   */
-  pushArgument,
-
-  /**
    * Push the next value from [UnlinkedConst.ints] (a 32-bit unsigned integer)
    * onto the stack.
    *