Serialize long integers as unsigned 32-bit pieces.

pkg/analyzer/tool/summary/idl.dart

Index: pkg/analyzer/tool/summary/idl.dart
diff --git a/pkg/analyzer/tool/summary/idl.dart b/pkg/analyzer/tool/summary/idl.dart
index c18dbeda84307d4182230477d450497329defb53..56b287c1f52055ea8e140ba3504c49665f872709 100644
--- a/pkg/analyzer/tool/summary/idl.dart
+++ b/pkg/analyzer/tool/summary/idl.dart
@@ -450,9 +450,9 @@ class UnlinkedConst {
   List<UnlinkedConstOperation> operations;
 
   /**
-   * Sequence of 32-bit integers consumed by the operations `pushArgument`,
-   * `pushInt`, `shiftOr`, `concatenate`, `invokeConstructor`, `makeList`, and
-   * `makeMap`.
+   * Sequence of unsigned 32-bit integers consumed by the operations
+   * `pushArgument`, `pushInt`, `shiftOr`, `concatenate`, `invokeConstructor`,
+   * `makeList`, and `makeMap`.
    */
   List<int> ints;
 
@@ -489,7 +489,7 @@ enum UnlinkedConstOperation {
   pushArgument,
 
   /**
-   * Push the next value from [UnlinkedConst.ints] (a 32-bit signed integer)
+   * Push the next value from [UnlinkedConst.ints] (a 32-bit unsigned integer)
    * onto the stack.
    *
    * Note that Dart supports integers larger than 32 bits; these are