fixed negative zero date

1 files changed, 14 insertions, 12 deletions

diff --git a/lib/quickjs/quickjs.c b/lib/quickjs/quickjs.c
index ffc4977f..b3f0b539 100644
--- a/lib/quickjs/quickjs.c
+++ b/lib/quickjs/quickjs.c
@@ -48034,20 +48034,19 @@ static JSValue set_date_field(JSContext *ctx, JSValueConst this_val,
     res = get_date_fields(ctx, this_val, fields, is_local, first_field == 0);
     if (res < 0)
         return JS_EXCEPTION;
+
+    // Argument coercion is observable and must be done unconditionally.
+    n = min_int(argc, end_field - first_field);
+    for(i = 0; i < n; i++) {
+        if (JS_ToFloat64(ctx, &a, argv[i]))
+            return JS_EXCEPTION;
+        if (!isfinite(a))
+            res = FALSE;
+        fields[first_field + i] = trunc(a);
+    }
     if (res && argc > 0) {
-        n = end_field - first_field;
-        if (argc < n)
-            n = argc;
-        for(i = 0; i < n; i++) {
-            if (JS_ToFloat64(ctx, &a, argv[i]))
-                return JS_EXCEPTION;
-            if (!isfinite(a))
-                goto done;
-            fields[first_field + i] = trunc(a);
-        }
         d = set_date_fields(fields, is_local);
     }
-done:
     return JS_SetThisTimeValue(ctx, this_val, d);
 }
 
@@ -48318,8 +48317,11 @@ static int string_get_signed_digits(JSString *sp, int *pp, int64_t *pval) {
         p++;
  
     res = string_get_digits(sp, &p, pval);
-    if (res == 0 && sgn == '-')
+    if (res == 0 && sgn == '-') {
+        if (*pval == 0)
+            return -1; // reject negative zero
         *pval = -*pval;
+    }
     *pp = p;
     return res;
 }