[turbofan] Some more cleanup on the intrinsics.

src/compiler/access-builder.cc

Index: src/compiler/access-builder.cc
diff --git a/src/compiler/access-builder.cc b/src/compiler/access-builder.cc
index bc70bc52d8adbc1cc6096fba53bfdcd911a30e91..273b9ca8461fb8302d54d521fc9efc424ae12754 100644
--- a/src/compiler/access-builder.cc
+++ b/src/compiler/access-builder.cc
@@ -129,6 +129,24 @@ FieldAccess AccessBuilder::ForJSDateField(JSDate::FieldIndex index) {
 
 
 // static
+FieldAccess AccessBuilder::ForJSRegExpFlags() {
+  FieldAccess access = {kTaggedBase, JSRegExp::kFlagsOffset,
+                        MaybeHandle<Name>(), Type::Tagged(),
+                        MachineType::AnyTagged()};
+  return access;
+}
+
+
+// static
+FieldAccess AccessBuilder::ForJSRegExpSource() {
+  FieldAccess access = {kTaggedBase, JSRegExp::kSourceOffset,
+                        MaybeHandle<Name>(), Type::Tagged(),
+                        MachineType::AnyTagged()};
+  return access;
+}
+
+
+// static
 FieldAccess AccessBuilder::ForFixedArrayLength() {
   FieldAccess access = {
       kTaggedBase, FixedArray::kLengthOffset, MaybeHandle<Name>(),