jscript: Ignore an attempt to set visible host object identifier's value in ES5 mode.

Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

jscript: Ignore an attempt to set visible host object identifier's value in ES5 mode.
c7fc18a6 · Jacek Caban · Alexandre Julliard · 3c91e5ed · c7fc18a6
Commit c7fc18a6 authored Apr 12, 2021 by Jacek Caban Committed by Alexandre Julliard Apr 12, 2021
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engine.c dlls/jscript/engine.c +2 -1

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--- a/dlls/jscript/engine.c
+++ b/dlls/jscript/engine.c
@@ -1291,7 +1291,8 @@ static HRESULT interp_identifier_ref(script_ctx_t *ctx, BSTR identifier, unsigne
        exprval_set_disp_ref(&exprval, to_disp(script_obj), id);
    }

-    if(exprval.type == EXPRVAL_JSVAL || exprval.type == EXPRVAL_INVALID) {
+    if(exprval.type == EXPRVAL_INVALID ||
+       (exprval.type == EXPRVAL_JSVAL && ctx->version < SCRIPTLANGUAGEVERSION_ES5)) {
        WARN("invalid ref\n");
        exprval_release(&exprval);
        exprval_set_exception(&exprval, JS_E_OBJECT_EXPECTED);