Update V8 to r5214 as required by WebKit r65072.

Change-Id: I387277a00cc0949597c0f69a8e4f2da60213c8f2
diff --git a/src/codegen.h b/src/codegen.h
index 7a4b858..2a6ad64 100644
--- a/src/codegen.h
+++ b/src/codegen.h
@@ -80,25 +80,6 @@
 // Types of uncatchable exceptions.
 enum UncatchableExceptionType { OUT_OF_MEMORY, TERMINATION };
 
-
-#if V8_TARGET_ARCH_IA32
-#include "ia32/codegen-ia32.h"
-#elif V8_TARGET_ARCH_X64
-#include "x64/codegen-x64.h"
-#elif V8_TARGET_ARCH_ARM
-#include "arm/codegen-arm.h"
-#elif V8_TARGET_ARCH_MIPS
-#include "mips/codegen-mips.h"
-#else
-#error Unsupported target architecture.
-#endif
-
-#include "register-allocator.h"
-
-namespace v8 {
-namespace internal {
-
-
 #define INLINE_RUNTIME_FUNCTION_LIST(F) \
   F(IsSmi, 1, 1)                                                             \
   F(IsNonNegativeSmi, 1, 1)                                                  \
@@ -132,9 +113,27 @@
   F(MathPow, 2, 1)                                                           \
   F(MathSin, 1, 1)                                                           \
   F(MathCos, 1, 1)                                                           \
-  F(MathSqrt, 1, 1)
+  F(MathSqrt, 1, 1)                                                          \
+  F(IsRegExpEquivalent, 2, 1)
 
 
+#if V8_TARGET_ARCH_IA32
+#include "ia32/codegen-ia32.h"
+#elif V8_TARGET_ARCH_X64
+#include "x64/codegen-x64.h"
+#elif V8_TARGET_ARCH_ARM
+#include "arm/codegen-arm.h"
+#elif V8_TARGET_ARCH_MIPS
+#include "mips/codegen-mips.h"
+#else
+#error Unsupported target architecture.
+#endif
+
+#include "register-allocator.h"
+
+namespace v8 {
+namespace internal {
+
 // Support for "structured" code comments.
 #ifdef DEBUG