Remove obsolete V8_INFINITY macro.

src/arm64/simulator-arm64.cc

Index: src/arm64/simulator-arm64.cc
diff --git a/src/arm64/simulator-arm64.cc b/src/arm64/simulator-arm64.cc
index bc524af72cb2db9d9e70adaf0edef6bba365faeb..79a061c0fc23de138952b152115d6ddd337ac94a 100644
--- a/src/arm64/simulator-arm64.cc
+++ b/src/arm64/simulator-arm64.cc
@@ -2505,7 +2505,8 @@ static T FPRound(int64_t sign, int64_t exponent, uint64_t mantissa,
   USE(round_mode);
 
   // Rounding can promote subnormals to normals, and normals to infinities. For
-  // example, a double with exponent 127 (FLT_MAX_EXP) would appear to be
+  // example, a double with exponent 127 (std::numeric_limits<float>::max()_EXP)

[Sven Panne, 2014/12/19 06:50:16]

:-)

+  // would appear to be
   // encodable as a float, but rounding based on the low-order mantissa bits
   // could make it overflow. With ties-to-even rounding, this value would become
   // an infinity.