[9] RFR (XS) 8146119: java/lang/Math/PowTests.java fails on solaris-x64 using -Xcomp

[Vladimir Kozlov]

https://bugs.openjdk.java.net/browse/JDK-8146119

http://cr.openjdk.java.net/~kvn/8146119/webrev/

New SunStudio C++ compiler generates incorrect code in library_call.cpp. All build versions are affected.
It is also failed with -xO0 level so I removed any optimizations.

Tested with failed test.

Thanks,
Vladimir