[stubs] Enable machine graph verification for CodeStubAssembler and friends by default in debug mode

src/compiler/pipeline.h

Index: src/compiler/pipeline.h
diff --git a/src/compiler/pipeline.h b/src/compiler/pipeline.h
index 2f2e81b962d76a40f12c32dd9ba8b17b56f33edb..ea5c54eb7ef065ba414b1de516c080f228c05e35 100644
--- a/src/compiler/pipeline.h
+++ b/src/compiler/pipeline.h
@@ -49,8 +49,7 @@ class Pipeline : public AllStatic {
                                               CallDescriptor* call_descriptor,
                                               Graph* graph, Schedule* schedule,
                                               Code::Flags flags,
-                                              const char* debug_name,
-                                              bool verify_graph);
+                                              const char* debug_name);
 
   // Run the entire pipeline and generate a handle to a code object suitable for
   // testing.