Update V8 to r5804 as required by WebKit r72274

Change-Id: I287670630b22383dbce46e4a6fad4ec9eb37d8b8
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index 7b9b843..d65eebb 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -488,7 +488,7 @@
   // stored in ApiParameterOperand(0), ApiParameterOperand(1) etc.
   void PrepareCallApiFunction(int stack_space, int argc);
 
-  // Tail call an API function (jump). Allocates HandleScope, extracts
+  // Calls an API function. Allocates HandleScope, extracts
   // returned value from handle and propagates exceptions.
   // Clobbers ebx, esi, edi and caller-save registers.
   void CallApiFunctionAndReturn(ApiFunction* function, int argc);