--- ./sv.c.orig	2022-05-21 21:26:59.000000000 +0000
+++ ./sv.c	2022-06-23 11:53:50.561877702 +0000
@@ -2002,7 +2002,7 @@ S_sv_2iuv_common(pTHX_ SV *const sv)
 #ifndef NV_PRESERVES_UV
                 && SvIVX(sv) != IV_MIN /* avoid negating IV_MIN below */
                 && (((UV)1 << NV_PRESERVES_UV_BITS) >
-                    (UV)(SvIVX(sv) > 0 ? SvIVX(sv) : -SvIVX(sv)))
+                    (UV)(SvIVX(sv) > 0 ? (UV)SvIVX(sv) : -(UV)SvIVX(sv)))
                 /* Don't flag it as "accurately an integer" if the number
                    came from a (by definition imprecise) NV operation, and
                    we're outside the range of NV integer precision */