RFR: 8260928: InitArrayShortSize constraint func should print a helpful error message

[Aleksey Shipilev]

On Tue, 2 Feb 2021 11:31:34 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> The `InitArrayShortSize` flag requires a value that is a multiple of `BytesPerLong` but no corresponding error message is printed:
> java -XX:InitArrayShortSize=7
> Error: Could not create the Java Virtual Machine.
> Error: A fatal exception has occurred. Program will exit.
> 
> Thanks,
> Tobias

Looks fine to me.

Marked as reviewed by shade (Reviewer).

src/hotspot/share/runtime/flags/jvmFlagConstraintsCompiler.cpp line 307:

> 305:     JVMFlag::printError(verbose,
> 306:                        "InitArrayShortSize (" INTX_FORMAT ") must be "
> 307:                         "a multiple of %d\n", value, BytesPerLong);

Consider indenting them a bit. I think the line starting from `"a...` has one excess whitespace.

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Marked as reviewed by shade (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/2351