diff options
author | Enrico Tassi <gareuselesinge@debian.org> | 2015-01-25 14:42:51 +0100 |
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committer | Enrico Tassi <gareuselesinge@debian.org> | 2015-01-25 14:42:51 +0100 |
commit | 7cfc4e5146be5666419451bdd516f1f3f264d24a (patch) | |
tree | e4197645da03dc3c7cc84e434cc31d0a0cca7056 /test-suite/bugs/closed/3388.v | |
parent | 420f78b2caeaaddc6fe484565b2d0e49c66888e5 (diff) |
Imported Upstream version 8.5~beta1+dfsg
Diffstat (limited to 'test-suite/bugs/closed/3388.v')
-rw-r--r-- | test-suite/bugs/closed/3388.v | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/3388.v b/test-suite/bugs/closed/3388.v new file mode 100644 index 00000000..78262804 --- /dev/null +++ b/test-suite/bugs/closed/3388.v @@ -0,0 +1,57 @@ +Inductive test : bool -> bool -> Type := +| test00 : test false false +| test01 : test false true +| test10 : test true false +. + +(* This does not work *) +Definition test_a (t : test true false) : test true false := + match t with + | test10 => test10 + end. + +(* The following definition shows that test_a SHOULD work *) +Definition test_a_workaround (t : test true false) : test true false := + match t with + | test10 => test10 + | _ => tt + end. + +(* Surprisingly, this works *) +Definition test_b (t : test false true) : test false true := + match t with + | test01 => test01 + end. + + +(* This, too, works *) +Definition test_c x (t : test false x) : test false x := + match t with + | test00 => test00 + | test01 => test01 + end. + +Inductive test2 : bool -> bool -> Type := +| test201 : test2 false true +| test210 : test2 true false +| test211 : test2 true true +. + +(* Now this works *) +Definition test2_a (t : test2 true false) : test2 true false := + match t with + | test210 => test210 + end. + +(* Accordingly, this now fails *) +Definition test2_b (t : test2 false true) : test2 false true := + match t with + | test201 => test201 + end. + + +(* This, too, fails *) +Definition test2_c x (t : test2 false x) : test2 false x := + match t with + | test201 => test201 + end. |