Add non-miss slow path to LoadIC_Normal.

src/x64/ic-x64.cc

Index: src/x64/ic-x64.cc
diff --git a/src/x64/ic-x64.cc b/src/x64/ic-x64.cc
index 578aea7ca208452e56324abfa8117f28a5215121..0cda1df16bd000674e60b600e7c0af54ab5edbdf 100644
--- a/src/x64/ic-x64.cc
+++ b/src/x64/ic-x64.cc
@@ -972,15 +972,19 @@ void LoadIC::GenerateNormal(MacroAssembler* masm) {
   //  -- rcx    : name
   //  -- rsp[0] : return address
   // -----------------------------------
-  Label miss;
+  Label miss, slow;
 
   GenerateNameDictionaryReceiverCheck(masm, rax, rdx, rbx, &miss);
 
   //  rdx: elements
   // Search the dictionary placing the result in rax.
-  GenerateDictionaryLoad(masm, &miss, rdx, rcx, rbx, rdi, rax);
+  GenerateDictionaryLoad(masm, &slow, rdx, rcx, rbx, rdi, rax);
   __ ret(0);
 
+  // Dictionary load failed, go slow (but don't miss).
+  __ bind(&slow);
+  GenerateRuntimeGetProperty(masm);
+
   // Cache miss: Jump to runtime.
   __ bind(&miss);
   GenerateMiss(masm);