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-rw-r--r--engine/evd.ml1
-rw-r--r--test-suite/bugs/closed/5145.v10
2 files changed, 11 insertions, 0 deletions
diff --git a/engine/evd.ml b/engine/evd.ml
index 6ba8a51120..291c089784 100644
--- a/engine/evd.ml
+++ b/engine/evd.ml
@@ -1411,6 +1411,7 @@ let print_env_short env =
let pr_evar_constraints pbs =
let pr_evconstr (pbty, env, t1, t2) =
+ let env = Namegen.make_all_name_different env in
print_env_short env ++ spc () ++ str "|-" ++ spc () ++
print_constr_env env t1 ++ spc () ++
str (match pbty with
diff --git a/test-suite/bugs/closed/5145.v b/test-suite/bugs/closed/5145.v
new file mode 100644
index 0000000000..0533d21e0c
--- /dev/null
+++ b/test-suite/bugs/closed/5145.v
@@ -0,0 +1,10 @@
+Class instructions :=
+ {
+ W : Type;
+ ldi : nat -> W
+ }.
+
+Fail Definition foo :=
+ let y2 := ldi 0 in
+ let '(CF, _) := (true, 0) in
+ y2.