Jacek Caban : jscript: Use quiet NaNs in jsval.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d9a4392d6bbd50b0a9690aa20fe7baa199f38d96
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=d9a4392d6bbd50b0a9690aa20fe7baa199f38d96

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Mon Apr  5 20:40:42 2021 +0200

jscript: Use quiet NaNs in jsval.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=50845
Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/jscript/jsval.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/dlls/jscript/jsval.h b/dlls/jscript/jsval.h
index 963f59f6a08..9f451b12831 100644
--- a/dlls/jscript/jsval.h
+++ b/dlls/jscript/jsval.h
@@ -35,8 +35,8 @@
 #endif
 
 #ifdef JSVAL_DOUBLE_LAYOUT_PTR32
-/* NaN exponent and our 0x80000 marker */
-#define JSV_VAL(x) (0x7ff80000|x)
+/* NaN exponent, quiet bit 0x80000 and our 0x10000 marker */
+#define JSV_VAL(x) (0x7ff90000|x)
 #else
 #define JSV_VAL(x) x
 #endif
@@ -150,10 +150,10 @@ static inline jsval_t jsval_number(double n)
     if((ret.u.s.tag & 0x7ff00000) == 0x7ff00000) {
         /* isinf */
         if(ret.u.s.tag & 0xfffff) {
-            ret.u.s.tag = 0x7ff00000;
+            ret.u.s.tag = 0x7ff80000;
             ret.u.s.u.as_uintptr = ~0;
         }else if(ret.u.s.u.as_uintptr) {
-            ret.u.s.tag = 0x7ff00000;
+            ret.u.s.tag = 0x7ff80000;
         }
     }
 #else
@@ -191,7 +191,7 @@ static inline BOOL is_string(jsval_t v)
 static inline BOOL is_number(jsval_t v)
 {
 #ifdef JSVAL_DOUBLE_LAYOUT_PTR32
-    return (v.u.s.tag & 0x7ff80000) != 0x7ff80000;
+    return (v.u.s.tag & 0x7ff10000) != 0x7ff10000;
 #else
     return v.type == JSV_NUMBER;
 #endif