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When installed on master as of 2020-12-05 (on top of "glr2.cc: fix
when the stack is not expandable", almost all the GLR regression tests
fail (with a SEGV):
709: Badly Collapsed GLR States: glr2.cc FAILED (glr-regression.at:130)
712: Improper handling of embedded actions and dollar(-N) in GLR parsers: glr2.cc FAILED (glr-regression.at:275)
715: Improper merging of GLR delayed action sets: glr2.cc FAILED (glr-regression.at:404)
718: Duplicate representation of merged trees: glr2.cc FAILED (glr-regression.at:502)
721: User destructor for unresolved GLR semantic value: glr2.cc FAILED (glr-regression.at:566)
724: User destructor after an error during a split parse: glr2.cc FAILED (glr-regression.at:624)
727: Duplicated user destructor for lookahead: glr2.cc FAILED (glr-regression.at:724)
730: Incorrectly initialized location for empty right-hand side in GLR: glr2.cc FAILED (glr-regression.at:823)
733: No users destructors if stack 0 deleted: glr2.cc FAILED (glr-regression.at:911)
736: Corrupted semantic options if user action cuts parse: glr2.cc FAILED (glr-regression.at:974)
739: Undesirable destructors if user action cuts parse: glr2.cc FAILED (glr-regression.at:1042)
742: Leaked semantic values if user action cuts parse: glr2.cc FAILED (glr-regression.at:1173)
748: Incorrect lookahead during nondeterministic GLR: glr2.cc FAILED (glr-regression.at:1546)
751: Leaked semantic values when reporting ambiguity: glr2.cc FAILED (glr-regression.at:1639)
754: Leaked lookahead after nondeterministic parse syntax error: glr2.cc FAILED (glr-regression.at:1710)
757: Uninitialized location when reporting ambiguity: glr2.cc FAILED (glr-regression.at:1794)
766: Predicates: glr2.cc FAILED (glr-regression.at:2045)
These pass:
745: Incorrect lookahead during deterministic GLR: glr2.cc ok
760: Missed %merge type warnings when LHS type is declared later: glr2.cc ok
763: Ambiguity reports: glr2.cc ok
With Valentin Tolmer's "glr2.cc: Fix memory corruption bug" commit,
these test fail "gracefully":
712: Improper handling of embedded actions and dollar(-N) in GLR parsers: glr2.cc FAILED (glr-regression.at:268)
730: Incorrectly initialized location for empty right-hand side in GLR: glr2.cc FAILED (glr-regression.at:816)
748: Incorrect lookahead during nondeterministic GLR: glr2.cc FAILED (glr-regression.at:1539)
And these do not end:
709: Badly Collapsed GLR States: glr2.cc FAILED (glr-regression.at:123)
715: Improper merging of GLR delayed action sets: glr2.cc FAILED (glr-regression.at:397)
718: Duplicate representation of merged trees: glr2.cc FAILED (glr-regression.at:495)
751: Leaked semantic values when reporting ambiguity: glr2.cc FAILED (glr-regression.at:1632)
With "tests: glr2.cc: run the glr-regression tests", none loop, and
709, 715, and 751 pass. Only 718 still fails.
* tests/glr-regression.at: Run all the tests with glr2.cc.
* tests/local.at (AT_GLR2_CC_IF): New.