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authormsozeau2008-06-13 14:23:47 +0000
committermsozeau2008-06-13 14:23:47 +0000
commita499845f0ad3cdc9f795ae0c66ed0f5e74fe7b89 (patch)
treebfb97f23074736278957ce3650e10c51c324e7d3
parentd79c79e9688472952dd8208fce3003cc4f897fa6 (diff)
Temporary fix for bug #1876, printing fails because of unresolved
globals. Change program_simpl to use [auto] and not [auto with *]. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11124 85f007b7-540e-0410-9357-904b9bb8a0f7
-rw-r--r--theories/Program/Tactics.v6
-rw-r--r--toplevel/himsg.ml6
2 files changed, 7 insertions, 5 deletions
diff --git a/theories/Program/Tactics.v b/theories/Program/Tactics.v
index 946fdf6185..5182123f4e 100644
--- a/theories/Program/Tactics.v
+++ b/theories/Program/Tactics.v
@@ -221,14 +221,14 @@ Ltac refine_hyp c :=
| ?H _ _ _ _ _ _ _ _ => tac H
end.
-(** The default simplification tactic used by Program is defined by [program_simpl], sometimes [auto with *]
- is overkill and slows things down, better rebind using [Obligations Tactic := tac] in this case,
+(** The default simplification tactic used by Program is defined by [program_simpl], sometimes [auto]
+ is not enough, better rebind using [Obligations Tactic := tac] in this case,
possibly using [program_simplify] to use standard goal-cleaning tactics. *)
Ltac program_simplify :=
simpl ; intros ; destruct_conjs ; simpl proj1_sig in * ; subst* ; autoinjections ; try discriminates ;
try (solve [ red ; intros ; destruct_conjs ; autoinjections ; discriminates ]).
-Ltac program_simpl := program_simplify ; auto with *.
+Ltac program_simpl := program_simplify ; auto.
Ltac obligations_tactic := program_simpl.
diff --git a/toplevel/himsg.ml b/toplevel/himsg.ml
index 0a35673c18..787e43c15d 100644
--- a/toplevel/himsg.ml
+++ b/toplevel/himsg.ml
@@ -286,11 +286,13 @@ let explain_ill_formed_rec_body env err names i fixenv vdefj =
strbrk " not in guarded form (should be a constructor," ++
strbrk " an abstraction, a match, a cofix or a recursive call)"
in
- let pvd = pr_lconstr_env fixenv vdefj.(i).uj_val in
prt_name i ++ str " is ill-formed." ++ fnl () ++
pr_ne_context_of (str "In environment") env ++
st ++ str "." ++ fnl () ++
- str"Recursive definition is:" ++ spc () ++ pvd ++ str "."
+ (try (* May fail with unresolved globals. *)
+ let pvd = pr_lconstr_env fixenv vdefj.(i).uj_val in
+ str"Recursive definition is:" ++ spc () ++ pvd ++ str "."
+ with _ -> mt ())
let explain_ill_typed_rec_body env i names vdefj vargs =
let env = make_all_name_different env in