Add optimized compiler support for generic global loads....

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
===================================================================
--- src/ia32/lithium-ia32.cc	(revision 5936)
+++ src/ia32/lithium-ia32.cc	(working copy)
@@ -1810,6 +1810,11 @@
 }
 
 
+LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
+  return MarkAsCall(DefineFixed(new LLoadGlobalGeneric, eax), instr);
+}
+
+
 LInstruction* LChunkBuilder::DoStoreGlobal(HStoreGlobal* instr) {
   return new LStoreGlobal(UseRegisterAtStart(instr->value()));
 }