Remove obsolete V8_INFINITY macro.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index ef286bbe01585a7a1ad56d3e71c0b5fdc278233f..6aa5f30650c8a1755c2a8d26c319b822c14a9db8 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <limits>
+
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM
@@ -782,7 +784,8 @@ void MathPowStub::Generate(MacroAssembler* masm) {
 
       // Calculates square root of base.  Check for the special case of
       // Math.pow(-Infinity, 0.5) == Infinity (ECMA spec, 15.8.2.13).
-      __ vmov(double_scratch, -V8_INFINITY, scratch);
+      __ vmov(double_scratch, -std::numeric_limits<double>::infinity(),
+              scratch);
       __ VFPCompareAndSetFlags(double_base, double_scratch);
       __ vneg(double_result, double_scratch, eq);
       __ b(eq, &done);
@@ -799,7 +802,8 @@ void MathPowStub::Generate(MacroAssembler* masm) {
 
       // Calculates square root of base.  Check for the special case of
       // Math.pow(-Infinity, -0.5) == 0 (ECMA spec, 15.8.2.13).
-      __ vmov(double_scratch, -V8_INFINITY, scratch);
+      __ vmov(double_scratch, -std::numeric_limits<double>::infinity(),
+              scratch);
       __ VFPCompareAndSetFlags(double_base, double_scratch);
       __ vmov(double_result, kDoubleRegZero, eq);
       __ b(eq, &done);