Bug 179024

The ChakraCore.yaml/ChakraCore/test/GlobalFunctions/ParseInt1.js.default JSC test is failing on ARM64 Linux configurations: ChakraCore.yaml/ChakraCore/test/GlobalFunctions/ParseInt1.js.default: DIFF FAILURE! ChakraCore.yaml/ChakraCore/test/GlobalFunctions/ParseInt1.js.default: --- ../.tests/ChakraCore.yaml/ChakraCore/test/GlobalFunctions/ParseInt1.baseline 2017-10-30 11:54:21.000000000 -0700 ChakraCore.yaml/ChakraCore/test/GlobalFunctions/ParseInt1.js.default: +++ ../ChakraCore.yaml/ChakraCore/test/GlobalFunctions/ParseInt1.js.default.out 2017-10-30 11:54:35.423374816 -0700 ChakraCore.yaml/ChakraCore/test/GlobalFunctions/ParseInt1.js.default: @@ -1 +1,2 @@ ChakraCore.yaml/ChakraCore/test/GlobalFunctions/ParseInt1.js.default: +57:" Base 34 number " failed Actual:24661871785383064000 Excpected:24661871785383068000 ChakraCore.yaml/ChakraCore/test/GlobalFunctions/ParseInt1.js.default: Done TL;DR: parseInt() implementation generates a fmadd instruction that skewers the floating-point accuracy to the point that this failure occurs. More about it at a later point.