Reland 21774: Generate KeyedLoadGeneric with Hydrogen

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index cb49db308fe43c7142f59f5049f14d4c0fb7d065..acd877d4635ae9a7a41260e34eea2c73857d4aeb 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -764,6 +764,13 @@ void RegExpConstructResultStub::InstallDescriptors(Isolate* isolate) {
 }
 
 
+// static
+void KeyedLoadGenericElementStub::InstallDescriptors(Isolate* isolate) {
+  KeyedLoadGenericElementStub stub(isolate);
+  InstallDescriptor(isolate, &stub);
+}
+
+
 ArrayConstructorStub::ArrayConstructorStub(Isolate* isolate)
     : PlatformCodeStub(isolate), argument_count_(ANY) {
   ArrayConstructorStubBase::GenerateStubsAheadOfTime(isolate);