RFR: JDK-8319927: Log that IEEE rounding mode was corrupted by loading a library

[Andrew Haley]

On Fri, 10 Nov 2023 16:06:18 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> [JDK-8295159](https://bugs.openjdk.org/browse/JDK-8295159) added some IEEE conformance checks and corrections on Linux and macOS/BSD , however in case of issues no logging is done, this should be improved.

src/hotspot/os/bsd/os_bsd.cpp line 1013:

> 1011:     int rtn = fesetenv(&default_fenv);
> 1012:     assert(rtn == 0, "fesetenv must succeed");
> 1013:     bool ieee_handling_after_issue = IEEE_subnormal_handling_OK();

This is a misleading name. It should be something explicit like `ieee_handling_succeeded`. Still, I suppose it's too late now.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16618#discussion_r1396849608