Hacky streaming of VariableGet

runtime/vm/kernel_binary_flowgraph.h

Index: runtime/vm/kernel_binary_flowgraph.h
diff --git a/runtime/vm/kernel_binary_flowgraph.h b/runtime/vm/kernel_binary_flowgraph.h
index 74121d6ae02b0d1105a48ee80d7a03bcffd30cdc..1c04b877bcf4708c22943c4e939721507ccd154e 100644
--- a/runtime/vm/kernel_binary_flowgraph.h
+++ b/runtime/vm/kernel_binary_flowgraph.h
@@ -105,6 +105,8 @@ class StreamingFlowGraphBuilder {
   dart::String& DartString(intptr_t str_index);
   String* KernelString(intptr_t str_index);
 
+  dart::LocalVariable* LookupVariable(intptr_t kernel_offset);
+
   Fragment DebugStepCheck(TokenPosition position);
   Fragment LoadLocal(LocalVariable* variable);
   Fragment PushArgument();
@@ -118,6 +120,8 @@ class StreamingFlowGraphBuilder {
                       intptr_t argument_count);
 
   Fragment BuildInvalidExpression();
+  Fragment BuildVariableGet();
+  Fragment BuildVariableGet(uint8_t payload);
   Fragment BuildStaticGet();
   Fragment BuildSymbolLiteral();
   Fragment BuildThisExpression();