JDK-8211666 Add /std:c++14 for Windows builds

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• Closed

JDK-8211667 Change selected C++ version for gcc builds to C++14

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• Closed

JDK-8211668 Change selected C++ version for clang builds to C++14

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• Closed

JDK-8325213 Flags introduced by configure script are not passed to ADLC build

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• Resolved

JDK-8208089 JEP 347: Enable C++14 Language Features

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• Closed