[PATCH] gcc/testsuite/gcc.dg/pr97750.c: fix llp64 warnings

[Jonathan Yong]

Patch OK for master branch?

gcc/testsuite/ChangeLog:
  * gcc.dg/pr97750.c: make llp64 warnings consistent with lp64

diff --git a/gcc/testsuite/gcc.dg/pr97750.c b/gcc/testsuite/gcc.dg/pr97750.c
index ff0d436af20..e5f8e881c64 100644
--- a/gcc/testsuite/gcc.dg/pr97750.c
+++ b/gcc/testsuite/gcc.dg/pr97750.c
@@ -13,7 +13,7 @@ void CopyPlane(char *dst) {
 void CopyFromUswc(long src_pitch) {
   char *dst;
   for (; CopyFromUswc_height;) {
-    unsigned unaligned = (long)CopyFromUswc_src;
+    unsigned unaligned = (__INTPTR_TYPE__)CopyFromUswc_src;
     if (unaligned)
       CopyPlane(&dst[unaligned]);
     CopyFromUswc_src += src_pitch;