VM precompiler: Compute and use result type of static initializers of final fields.

runtime/vm/compiler.h

Index: runtime/vm/compiler.h
diff --git a/runtime/vm/compiler.h b/runtime/vm/compiler.h
index 4e2a5503ab1a3c610bc9cf2d39ccf050865d26ee..e995620ba4fc8475fca5bb25fd9cda9d22a147a9 100644
--- a/runtime/vm/compiler.h
+++ b/runtime/vm/compiler.h
@@ -38,7 +38,7 @@ class CompilationPipeline : public ZoneAllocated {
       ParsedFunction* parsed_function,
       const ZoneGrowableArray<const ICData*>& ic_data_array,
       intptr_t osr_id) = 0;
-  virtual void FinalizeCompilation() = 0;
+  virtual void FinalizeCompilation(FlowGraph* flow_graph) = 0;
   virtual ~CompilationPipeline() { }
 };
 
@@ -53,7 +53,7 @@ class DartCompilationPipeline : public CompilationPipeline {
       const ZoneGrowableArray<const ICData*>& ic_data_array,
       intptr_t osr_id);
 
-  virtual void FinalizeCompilation();
+  virtual void FinalizeCompilation(FlowGraph* flow_graph);
 };
 
 
@@ -69,7 +69,7 @@ class IrregexpCompilationPipeline : public CompilationPipeline {
       const ZoneGrowableArray<const ICData*>& ic_data_array,
       intptr_t osr_id);
 
-  virtual void FinalizeCompilation();
+  virtual void FinalizeCompilation(FlowGraph* flow_graph);
 
  private:
   IndirectGotoInstr* backtrack_goto_;