For details, see PR.

If I have not miscounted, the failing message has
32 characters + three names → (3*62 + 1 + 32) = 219 > 200.
I add another 18 characters for longer translation strings.
If that is not enough, there will be truncation but
no buffer overflow thanks to snprintf.

OK for mainline and GCC 10?
[If there are no comments or an OK,
I intent to commit it as obvious tomorrow.]

Tobias

PS: Patches which I would like to see in GCC 11 and 10,
but which are still pending review:
* [Patch] Fortran: Fix intrinsic null() handling [PR99651]
* [Patch] Fortran: Fix func decl mismatch [PR93660]

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