From bb60ff627c26dfb51e5d9be7af0d6d3f63f1ed54 Mon Sep 17 00:00:00 2001
From: Standa Opichal <opichals@gmail.com>
Date: Mon, 23 Mar 2020 23:09:26 +0100
Subject: [PATCH] Fix bitwise rshift by 0 to be unsigned (fix #1784)

---
 src/jsvar.c               | 2 +-
 tests/test_bitshifting.js | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/jsvar.c b/src/jsvar.c
index e4099804b..accb1048f 100644
--- a/src/jsvar.c
+++ b/src/jsvar.c
@@ -3425,7 +3425,7 @@ JsVar *jsvMathsOp(JsVar *a, JsVar *b, int op) {
       case '%': return db ? jsvNewFromInteger(da%db) : jsvNewFromFloat(NAN);
       case LEX_LSHIFT: return jsvNewFromInteger(da << db);
       case LEX_RSHIFT: return jsvNewFromInteger(da >> db);
-      case LEX_RSHIFTUNSIGNED: return jsvNewFromInteger((JsVarInt)(((JsVarIntUnsigned)da) >> db));
+      case LEX_RSHIFTUNSIGNED: return jsvNewFromLongInteger(((JsVarIntUnsigned)da) >> db);
       case LEX_EQUAL:     return jsvNewFromBool(da==db && jsvIsNull(a)==jsvIsNull(b));
       case LEX_NEQUAL:    return jsvNewFromBool(da!=db || jsvIsNull(a)!=jsvIsNull(b));
       case '<':           return jsvNewFromBool(da<db);
diff --git a/tests/test_bitshifting.js b/tests/test_bitshifting.js
index b3ffb0c71..bc0bf709c 100644
--- a/tests/test_bitshifting.js
+++ b/tests/test_bitshifting.js
@@ -2,4 +2,6 @@
 var a = (2<<2);
 var b = (16>>3);
 var c = ((-1&0xFFFFFFFF) >>> 16);
-result = a==8 && b==2 && c == 0xFFFF;
+var d = -7 >>> 0;
+
+result = a==8 && b==2 && c == 0xFFFF && d == 0xFFFFFFF9;