Akim Demaille c8006f4637 glr2.cc: fix yycompressStack ...

Currently, yycompressStack expects the free items to be states only.
That's not the case.

Fixes 712 and 730 pass.  748 still fails, but later and
differently (heap-use-after-free).

* data/skeletons/glr2.cc (glr_stack_item::setState): New.
(glr_stack_item::yycompressStack): Use it.
* tests/glr-regression.at: Adjust.

2020-12-14 06:33:22 +01:00

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