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bug#36740: 27.0.50; apparently buggy code in ccl.c (lookup-integer-const

From: Pip Cet
Subject: bug#36740: 27.0.50; apparently buggy code in ccl.c (lookup-integer-constant)
Date: Sat, 20 Jul 2019 20:18:21 +0000

On Sat, Jul 20, 2019 at 7:00 PM Andy Moreton <address@hidden> wrote:
> > Patch attached. It'd be nice to have tests for this, of course, but
> > it'd be easier for someone who understands CCL to do...
> Are the tests in test/lisp/international/ccl-tests.el sufficient ? If
> not, please etend them to cover this case.

I'm trying, but it seems like the CCL code is somewhat broken:
`ccl-embed-symbol', as it is now, can never succeed, because it passes
a cons cell rather than a fixnum to (ultimately) logand.

The attached patch tries to fix that issue and adds a test. I've also
noticed I cannot use C-g to interrupt a CCL loop, is that intentional?

Attachment: 0001-Fix-return-value-for-CCL-opcode-lookup-integer.patch
Description: Text Data

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