Intrinsics in the INLINE_FUNCTION_LIST are now avaliable without '_', too.

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index 6c68271bcda53691b0a8a902f432829ec7785743..0d32028aa74e7cd7c3deef8e4b5ef8c4641e2000 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -684,7 +684,7 @@ void CreateWeakCellStub::InitializeDescriptor(CodeStubDescriptor* d) {}
 void RegExpConstructResultStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
   descriptor->Initialize(
-      Runtime::FunctionForId(Runtime::kRegExpConstructResult)->entry);
+      Runtime::FunctionForId(Runtime::kRegExpConstructResultRT)->entry);
 }
 
 
@@ -730,7 +730,7 @@ void BinaryOpWithAllocationSiteStub::InitializeDescriptor(
 
 
 void StringAddStub::InitializeDescriptor(CodeStubDescriptor* descriptor) {
-  descriptor->Initialize(Runtime::FunctionForId(Runtime::kStringAdd)->entry);
+  descriptor->Initialize(Runtime::FunctionForId(Runtime::kStringAddRT)->entry);
 }