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-rw-r--r--src/xwidget.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/xwidget.c b/src/xwidget.c
index 45879b15cbe..fce0aafb099 100644
--- a/src/xwidget.c
+++ b/src/xwidget.c
@@ -1855,7 +1855,7 @@ webkit_js_to_lisp (JSCValue *value)
const gint32 dlen = jsc_value_to_int32 (len);
Lisp_Object obj;
- if (! (0 <= dlen && dlen < PTRDIFF_MAX + 1.0))
+ if (! (0 <= dlen && dlen < G_MAXINT32 + 1))
memory_full (SIZE_MAX);
ptrdiff_t n = dlen;