RFR: 8348392: Make claims "other matches are possible" even when that is not true

[Erik Joelsson]

On Thu, 23 Jan 2025 10:58:19 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> When matching configurations using CONF, normally this is treated as a pattern. However, if an exact match is found, this is exclusively used. This is to allow matching for e.g. linux-x64 and not matching linux-x64-debug, which is otherwise impossible.
> 
> To inform the user that this has happened, make prints
> 
> 
> Using exact match for CONF=linux-x64 (other matches are possible)
> 
> 
> even if no other matches are possible.

Marked as reviewed by erikj (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/23261#pullrequestreview-2569930389