I wrote:

> I'm now testing a patch that uses a specially written "compare upper
> case", that will convert the would-be-intrinsic-name to upper case when
> comparing it with the first of the three entries from the table.
> AFAICS, this should correct the problem.

OK, the attached patch gives the correct results on mips-sgi-irix6.5. 
If no-one objects, I'll commit it later this evening (around 23:00 UTC).

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Toon Moene, KNMI, PO Box 201, 3730 AE De Bilt, The Netherlands.
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