[interpreter] Add basic framework for bytecode handler code generation.

test/cctest/compiler/instruction-selector-tester.h

Index: test/cctest/compiler/instruction-selector-tester.h
diff --git a/test/cctest/compiler/instruction-selector-tester.h b/test/cctest/compiler/instruction-selector-tester.h
index 6b094b1c1da8a3094d55daec6f452624513620a3..38c508d26b64f63768e7ea578cef21fb5c3180c0 100644
--- a/test/cctest/compiler/instruction-selector-tester.h
+++ b/test/cctest/compiler/instruction-selector-tester.h
@@ -33,9 +33,8 @@ class InstructionSelectorTester : public HandleAndZoneScope,
       array[i] = kMachInt32;
     }
     return Linkage::GetSimplifiedCDescriptor(
-        graph->zone(),
-        new (zone) MachineCallDescriptorBuilder(kMachInt32, kParameterCount,
-                                                parameter_array));
+        graph->zone(), new (zone) MachineCallDescriptorBuilder(
+                           kMachInt32, kParameterCount, parameter_array));
   }
 
   InstructionSelectorTester()