From 073e4aabc5b1a6a9b4cefa5e8fe3f182b7778c61 Mon Sep 17 00:00:00 2001
From: Neven Sajko <s@purelymail.com>
Date: Fri, 30 Aug 2024 05:37:34 +0200
Subject: [PATCH] prevent unnecessary conversion

---
 base/intfuncs.jl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/base/intfuncs.jl b/base/intfuncs.jl
index b84c54fb8cb3b4..c82f7f5a9368ef 100644
--- a/base/intfuncs.jl
+++ b/base/intfuncs.jl
@@ -298,7 +298,10 @@ function invmod(n::T) where {T<:BitInteger}
 end
 
 # ^ for any x supporting *
-to_power_type(x::Number) = first(promote(x, one(x), x*x))
+function to_power_type(x::Number)
+    T = promote_type(typeof(x), typeof(one(x)), typeof(x*x))
+    convert(T, x)
+end
 to_power_type(x) = x
 @noinline throw_domerr_powbysq(::Any, p) = throw(DomainError(p, LazyString(
     "Cannot raise an integer x to a negative power ", p, ".",