[glib: 1/4] Optimize g_double_hash implementation

[Marco Trevisan <marcotrevi src gnome org>]

commit dd1f4f709ea8cad1a1d6184ee0883be128fb81d8
Author: wszqkzqk <wszqkzqk qq com>
Date:   Mon Sep 26 08:26:27 2022 +0800

    Optimize g_double_hash implementation

 glib/ghash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/glib/ghash.c b/glib/ghash.c
index 5fb722c04b..fc15428a83 100644
--- a/glib/ghash.c
+++ b/glib/ghash.c
@@ -2531,5 +2531,5 @@ g_double_equal (gconstpointer v1,
 guint
 g_double_hash (gconstpointer v)
 {
-  return (guint) *(const gdouble*) v;
+  return (guint) ((const guint) (*(guint64 *) v >> 32)) ^ (*(const guint *) v);
 }