Allow inlining of functions containing RegExp literals.

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index 8cef74d67aa95d79d80e05e8b0d5d5b02d9a5705..a61e4c0c5144e21f6f062b550f142ead8caa88e4 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -4987,15 +4987,13 @@ void LCodeGen::DoToFastProperties(LToFastProperties* instr) {
 void LCodeGen::DoRegExpLiteral(LRegExpLiteral* instr) {
   Label materialized;
   // Registers will be used as follows:
-  // r3 = JS function.
   // r7 = literals array.
   // r1 = regexp literal.
   // r0 = regexp literal clone.
   // r2 and r4-r6 are used as temporaries.
-  __ ldr(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
-  __ ldr(r7, FieldMemOperand(r3, JSFunction::kLiteralsOffset));
-  int literal_offset = FixedArray::kHeaderSize +
-      instr->hydrogen()->literal_index() * kPointerSize;
+  int literal_offset =
+      FixedArray::OffsetOfElementAt(instr->hydrogen()->literal_index());
+  __ LoadHeapObject(r7, instr->hydrogen()->literals());
   __ ldr(r1, FieldMemOperand(r7, literal_offset));
   __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
   __ cmp(r1, ip);