RFR: 8153816: [BACKOUT] Make intrinsics flags diagnostic

[S. Bharadwaj Yadavalli]

Backing out the change [1] that fixed [2]. This is a sub-task of [3].

Bug: https://bugs.openjdk.java.net/browse/JDK-8153816
webrev: http://cr.openjdk.java.net/~bharadwaj/8153816/webrev/

Testing: Ran the tests in bug report successfully using product build.

Thanks,

Bharadwaj

[1] http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/12b38ff7ad9b
[2] https://bugs.openjdk.java.net/browse/JDK-8145348
[3] https://bugs.openjdk.java.net/browse/JDK-8153655