--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/desktop/firefox/patches/firefox27-80-mftt_infinity.patch	Mon Jan 11 09:27:45 2016 -0800
@@ -0,0 +1,32 @@
+We use a different function from the one in ieeefp.h. 
+This may be a studio specific patch. Need to investigate if this can be 
+removed. 
+
+--- mozilla-esr31/mfbt/decimal/Decimal.cpp.orig	2015-06-04 17:42:52.191270749 -0700
++++ mozilla-esr31/mfbt/decimal/Decimal.cpp	2015-06-04 17:42:52.193703088 -0700
+@@ -33,6 +33,7 @@
+ 
+ #include <algorithm>
+ #include <float.h>
++#include <ieeefp.h>
+ 
+ using namespace moz_decimal_utils;
+ 
+@@ -686,13 +687,13 @@
+ 
+ Decimal Decimal::fromDouble(double doubleValue)
+ {
+-    if (std::isfinite(doubleValue))
++    if (finite(doubleValue))
+         return fromString(mozToString(doubleValue));
+ 
+-    if (std::isinf(doubleValue))
+-        return infinity(doubleValue < 0 ? Negative : Positive);
++    if (isnand(doubleValue))
++        return nan();
+ 
+-    return nan();
++    return infinity(doubleValue < 0 ? Negative : Positive);
+ }
+ 
+ Decimal Decimal::fromString(const String& str)