[9] RFR (XXS): 8049528: Method marked w/ @ForceInline isn't inlined with "executed < MinInliningThreshold times" message

[Vladimir Ivanov]

http://cr.openjdk.java.net/~vlivanov/8049528/webrev.00/
https://bugs.openjdk.java.net/browse/JDK-8049528

There's a missing case for @ForceInline in 
InlineTree::should_not_inline, so sometimes inlining fails w/  "executed 
< MinInliningThreshold times".

The fix is to add missed check.

Testing: manual (no inlining failures in the log), octane (no regresssions).

Thanks!

Best regards,
Vladimir Ivanov