CpuProfiler: do not calculate positions if it is not necessary (BuildCompareInstruction part).

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index d5e3abe954fb4a572a9db6bc5a076d280a9c6e31..05270f565a1e6db27afb28ecada3f187c8cced67 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -2641,9 +2641,8 @@ class HOptimizedGraphBuilder : public HGraphBuilder, public AstVisitor {
 
   HControlInstruction* BuildCompareInstruction(
       Token::Value op, HValue* left, HValue* right, Type* left_type,
-      Type* right_type, Type* combined_type, SourcePosition left_position,
-      SourcePosition right_position, PushBeforeSimulateBehavior push_sim_result,
-      BailoutId bailout_id);
+      Type* right_type, Type* combined_type,
+      PushBeforeSimulateBehavior push_sim_result, BailoutId bailout_id);
 
   HInstruction* BuildStringCharCodeAt(HValue* string,
                                       HValue* index);