Allow inlining of functions containing RegExp literals.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index e27a32628ea69ed015cb984d276b056847dfb9af..9cc67a308af2584cdce9d649b8fb02294f68b829 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -4930,15 +4930,13 @@ void LCodeGen::DoRegExpLiteral(LRegExpLiteral* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
   Label materialized;
   // Registers will be used as follows:
-  // edi = JS function.
   // ecx = literals array.
   // ebx = regexp literal.
   // eax = regexp literal clone.
   // esi = context.
-  __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
-  __ mov(ecx, FieldOperand(edi, JSFunction::kLiteralsOffset));
-  int literal_offset = FixedArray::kHeaderSize +
-      instr->hydrogen()->literal_index() * kPointerSize;
+  int literal_offset =
+      FixedArray::OffsetOfElementAt(instr->hydrogen()->literal_index());
+  __ LoadHeapObject(ecx, instr->hydrogen()->literals());
   __ mov(ebx, FieldOperand(ecx, literal_offset));
   __ cmp(ebx, factory()->undefined_value());
   __ j(not_equal, &materialized, Label::kNear);