Merge V8 5.2.361.47  DO NOT MERGE

https://chromium.googlesource.com/v8/v8/+/5.2.361.47

FPIIM-449

Change-Id: Ibec421b85a9b88cb3a432ada642e469fe7e78346
(cherry picked from commit bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8)
diff --git a/src/compiler/ia32/instruction-codes-ia32.h b/src/compiler/ia32/instruction-codes-ia32.h
index 3cf2094..79dd05e 100644
--- a/src/compiler/ia32/instruction-codes-ia32.h
+++ b/src/compiler/ia32/instruction-codes-ia32.h
@@ -113,7 +113,10 @@
   V(IA32PushFloat32)               \
   V(IA32PushFloat64)               \
   V(IA32Poke)                      \
-  V(IA32StackCheck)
+  V(IA32StackCheck)                \
+  V(IA32Xchgb)                     \
+  V(IA32Xchgw)                     \
+  V(IA32Xchgl)
 
 // Addressing modes represent the "shape" of inputs to an instruction.
 // Many instructions support multiple addressing modes. Addressing modes