Slience compiler warnings for NV, [IU]V compare

These were occurring on FreeBSD smokes.

warning: implicit conversion from 'IV' (aka 'long') to 'double' changes value from 9223372036854775807 to 9223372036854775808 [-Wimplicit-int-float-conversion]

9223372036854775807 is IV_MAX.  What needed to be done here was to use
the NV containing IV_MAX+1, a value that already exists in perl.h

In other instances, simply casting to an NV before doing the comparison
with the NV was what was needed.

This fixes #18328

1 files changed, 1 insertions, 1 deletions

diff --git a/inline.h b/inline.h
index 5ada1555d1..3b34ad4667 100644
--- a/inline.h
+++ b/inline.h
@@ -1980,7 +1980,7 @@ S_lossless_NV_to_IV(const NV nv, IV *ivp)
 
     /* Written this way so that with an always-false NaN comparison we
      * return false */
-    if (!(LIKELY(nv >= IV_MIN) && LIKELY(nv <= IV_MAX))) {
+    if (!(LIKELY(nv >= (NV) IV_MIN) && LIKELY(nv < IV_MAX_P1))) {
         return FALSE;
     }