From 3fcd42972ce68c11e836280457f4275acc755163 Mon Sep 17 00:00:00 2001
From: Michael Abbott <32575566+mcabbott@users.noreply.github.com>
Date: Wed, 10 Apr 2024 20:50:43 -0400
Subject: [PATCH] fix a bug in size errors

---
 base/abstractarray.jl | 2 +-
 test/abstractarray.jl | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/base/abstractarray.jl b/base/abstractarray.jl
index cef81d6925284..82deb9d8bbfff 100644
--- a/base/abstractarray.jl
+++ b/base/abstractarray.jl
@@ -3017,7 +3017,7 @@ end
 @inline function _stack_size_check(x, ax1::Tuple)
     if _iterator_axes(x) != ax1
         uax1 = map(UnitRange, ax1)
-        uaxN = map(UnitRange, axes(x))
+        uaxN = map(UnitRange, _iterator_axes(x))
         throw(DimensionMismatch(
             LazyString("stack expects uniform slices, got axes(x) == ", uaxN, " while first had ", uax1)))
     end
diff --git a/test/abstractarray.jl b/test/abstractarray.jl
index a0a6ba6b2229a..f49748f1eddb5 100644
--- a/test/abstractarray.jl
+++ b/test/abstractarray.jl
@@ -1778,6 +1778,9 @@ end
     @test_throws ArgumentError stack([1:3, 4:6]; dims=3)
     @test_throws ArgumentError stack(abs2, 1:3; dims=2)
 
+    @test stack(["hello", "world"]) isa Matrix{Char}
+    @test_throws DimensionMismatch stack(["hello", "world!"])  # had a bug in error printing
+
     # Empty
     @test_throws ArgumentError stack(())
     @test_throws ArgumentError stack([])