Hacky streaming of VariableGet

runtime/vm/kernel_binary.cc

Index: runtime/vm/kernel_binary.cc
diff --git a/runtime/vm/kernel_binary.cc b/runtime/vm/kernel_binary.cc
index 78f982b34a42a46e339fcca8d1cf16a6ed5b922d..95044b6d7d8587484166f1daf83fb89be3cb0d4c 100644
--- a/runtime/vm/kernel_binary.cc
+++ b/runtime/vm/kernel_binary.cc
@@ -521,7 +521,9 @@ VariableGet* VariableGet::ReadFrom(Reader* reader) {
   VariableGet* get = new VariableGet();
   get->kernel_offset_ = reader->offset() - 1;  // -1 to include tag byte.
   get->position_ = reader->ReadPosition();
+  get->variable_kernel_offset_ = reader->ReadUInt();
   get->variable_ = reader->helper()->variables().Lookup(reader->ReadUInt());
+  ASSERT(get->variable_->kernel_offset() == get->variable_kernel_offset_);
   reader->ReadOptional<DartType>();  // Unused promoted type.
   return get;
 }
@@ -532,7 +534,9 @@ VariableGet* VariableGet::ReadFrom(Reader* reader, uint8_t payload) {
   VariableGet* get = new VariableGet();
   get->kernel_offset_ = reader->offset() - 1;  // -1 to include tag byte.
   get->position_ = reader->ReadPosition();
+  get->variable_kernel_offset_ = reader->ReadUInt();
   get->variable_ = reader->helper()->variables().Lookup(payload);
+  ASSERT(get->variable_->kernel_offset() == get->variable_kernel_offset_);
   return get;
 }