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author | Stephane Glondu <steph@glondu.net> | 2012-01-12 16:04:54 +0100 |
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committer | Stephane Glondu <steph@glondu.net> | 2012-01-12 16:04:54 +0100 |
commit | 39efc41237ec906226a3a53d7396d51173495204 (patch) | |
tree | 87cd58d72d43469d2a2a0a127c1060d7c9e0206b /test-suite/bugs/opened/shouldnotfail/2310.v | |
parent | 5fe4ac437bed43547b3695664974f492b55cb553 (diff) | |
parent | 97fefe1fcca363a1317e066e7f4b99b9c1e9987b (diff) |
Remove non-DFSG contentsupstream/8.4_beta+dfsg
Diffstat (limited to 'test-suite/bugs/opened/shouldnotfail/2310.v')
-rw-r--r-- | test-suite/bugs/opened/shouldnotfail/2310.v | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test-suite/bugs/opened/shouldnotfail/2310.v b/test-suite/bugs/opened/shouldnotfail/2310.v new file mode 100644 index 00000000..8d1a5149 --- /dev/null +++ b/test-suite/bugs/opened/shouldnotfail/2310.v @@ -0,0 +1,17 @@ +(* Dependent higher-order hole in "refine" (simplified version) *) + +Set Implicit Arguments. + +Inductive Nest t := Cons : Nest (prod t t) -> Nest t. + +Definition cast A x y Heq P H := @eq_rect A x P H y Heq. + +Definition replace a (y:Nest (prod a a)) : a = a -> Nest a. + +(* This used to raise an anomaly Unknown Meta in 8.2 and 8.3beta. + It raises a regular error in 8.3 and almost succeeds with the new + proof engine: there are two solutions to a unification problem + (P:=\a.Nest (prod a a) and P:=\_.Nest (prod a a)) and refine should either + leave P as subgoal or choose itself one solution *) + +intros. refine (Cons (cast H _ y)). |