Reduce the number of entrypoints to the compiler pipeline by one. Always require caller to provide …

test/cctest/compiler/graph-builder-tester.h

Index: test/cctest/compiler/graph-builder-tester.h
diff --git a/test/cctest/compiler/graph-builder-tester.h b/test/cctest/compiler/graph-builder-tester.h
index 41c1e384be72f646bd9e331c8e56ac5080373287..de7d20c34b4d2f59d7a6682df05019eb81be1122 100644
--- a/test/cctest/compiler/graph-builder-tester.h
+++ b/test/cctest/compiler/graph-builder-tester.h
@@ -273,7 +273,8 @@ class GraphBuilderTester : public HandleAndZoneScope,
       Zone* zone = graph()->zone();
       CallDescriptor* desc =
           Linkage::GetSimplifiedCDescriptor(zone, this->csig_);
-      code_ = Pipeline::GenerateCodeForTesting(main_isolate(), desc, graph());
+      CompilationInfo info("testing", main_isolate(), main_zone());
+      code_ = Pipeline::GenerateCodeForTesting(&info, desc, graph());
 #ifdef ENABLE_DISASSEMBLER
       if (!code_.is_null() && FLAG_print_opt_code) {
         OFStream os(stdout);