From b3dd78ff4c8785b6ff9bce9927df90f8c78a9109 Mon Sep 17 00:00:00 2001
From: Son Ho
Date: Thu, 13 Jun 2024 22:04:13 +0200
Subject: Update Lean to v4.9.0-rc1

---
 backends/lean/Base/Progress/Base.lean     |  3 +--
 backends/lean/Base/Progress/Progress.lean | 11 ++++-------
 2 files changed, 5 insertions(+), 9 deletions(-)

(limited to 'backends/lean/Base/Progress')

diff --git a/backends/lean/Base/Progress/Base.lean b/backends/lean/Base/Progress/Base.lean
index 03c80a42..0e46737f 100644
--- a/backends/lean/Base/Progress/Base.lean
+++ b/backends/lean/Base/Progress/Base.lean
@@ -1,5 +1,4 @@
 import Lean
-import Std.Lean.HashSet
 import Base.Utils
 import Base.Primitives.Base
 import Base.Extensions
@@ -111,7 +110,7 @@ section Methods
       -- Collect all the free variables in the arguments
       let allArgsFVars ← args.foldlM (fun hs arg => getFVarIds arg hs) HashSet.empty
       -- Check if they intersect the fvars we introduced for the existentially quantified variables
-      let evarsSet : HashSet FVarId := HashSet.ofArray (evars.map (fun (x : Expr) => x.fvarId!))
+      let evarsSet : HashSet FVarId := HashSet.empty.insertMany (evars.map (fun (x : Expr) => x.fvarId!))
       let filtArgsFVars := allArgsFVars.toArray.filter (fun var => evarsSet.contains var)
       if filtArgsFVars.isEmpty then pure ()
       else
diff --git a/backends/lean/Base/Progress/Progress.lean b/backends/lean/Base/Progress/Progress.lean
index 03d464d7..da601b73 100644
--- a/backends/lean/Base/Progress/Progress.lean
+++ b/backends/lean/Base/Progress/Progress.lean
@@ -131,7 +131,7 @@ def progressWith (fExpr : Expr) (th : TheoremOrLocal)
     Tactic.focus do
     let _ ←
       tryTac
-        (simpAt true {} []
+        (simpAt true {} #[] []
                [``Primitives.bind_tc_ok, ``Primitives.bind_tc_fail, ``Primitives.bind_tc_div]
                [hEq.fvarId!] (.targets #[] true))
     -- It may happen that at this point the goal is already solved (though this is rare)
@@ -140,7 +140,7 @@ def progressWith (fExpr : Expr) (th : TheoremOrLocal)
     else
        trace[Progress] "goal after applying the eq and simplifying the binds: {← getMainGoal}"
        -- TODO: remove this (some types get unfolded too much: we "fold" them back)
-       let _ ← tryTac (simpAt true {} [] scalar_eqs [] .wildcard_dep)
+       let _ ← tryTac (simpAt true {} #[] [] scalar_eqs [] .wildcard_dep)
        trace[Progress] "goal after folding back scalar types: {← getMainGoal}"
        -- Clear the equality, unless the user requests not to do so
        let mgoal ← do
@@ -346,11 +346,8 @@ def evalProgress (args : TSyntax `Progress.progressArgs) : TacticM Unit := do
         -- Not a local declaration: should be a theorem
         trace[Progress] "With arg: theorem"
         addCompletionInfo <| CompletionInfo.id id id.getId (danglingDot := false) {} none
-        let cs ← resolveGlobalConstWithInfos id
-        match cs with
-        | [] => throwError "Could not find theorem {id}"
-        | id :: _ =>
-          pure (some (.Theorem id))
+        let some (.const name _) ← Term.resolveId? id | throwError m!"Could not find theorem: {id}"
+        pure (some (.Theorem name))
     else pure none
   let ids :=
     let args := asArgs.getArgs
-- 
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