Serialize typedef parameters (including function typed ones) to Kernel and use it to resynthesize t…

runtime/vm/kernel_binary_flowgraph.cc

Index: runtime/vm/kernel_binary_flowgraph.cc
diff --git a/runtime/vm/kernel_binary_flowgraph.cc b/runtime/vm/kernel_binary_flowgraph.cc
index 34a20248b9bb9d8047dbf2d32c18c374395226b6..cb33786cc5581da1b412bb3aa3c971d67b7e5896 100644
--- a/runtime/vm/kernel_binary_flowgraph.cc
+++ b/runtime/vm/kernel_binary_flowgraph.cc
@@ -4225,6 +4225,18 @@ void StreamingFlowGraphBuilder::SkipLibraryTypedef() {
   SkipStringReference();         // read name index.
   ReadUInt();                    // read source_uri_index.
   SkipTypeParametersList();      // read type parameters.
+  ReadUInt();                    // read required parameter count
+
+  intptr_t positional_count = ReadListLength();
+  for (intptr_t i = 0; i < positional_count; i++) {
+    SkipVariableDeclaration();
+  }
+
+  intptr_t named_count = ReadListLength();
+  for (intptr_t i = 0; i < named_count; i++) {
+    SkipVariableDeclaration();
+  }
+
   SkipDartType();                // read type.
 }