regression test for KT-5953

compiler/testData/codegen/boxWithStdlib/regressions/kt5953.kt

@@ -0,0 +1,11 @@
+fun box(): String {
+    val res = (1..3).map { it ->
+        if (it == 1)
+            2
+    };
+
+    var result = ""
+    for (i in res)
+        result += " "
+    return if (result == "   ") "OK" else result
+}

compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxWithStdlibCodegenTestGenerated.java

@@ -3110,6 +3110,12 @@ public class BlackBoxWithStdlibCodegenTestGenerated extends AbstractBlackBoxCode
             doTestWithStdlib(fileName);
         }
 
+        @TestMetadata("kt5953.kt")
+        public void testKt5953() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithStdlib/regressions/kt5953.kt");
+            doTestWithStdlib(fileName);
+        }
+
         @TestMetadata("kt6434.kt")
         public void testKt6434() throws Exception {
             String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithStdlib/regressions/kt6434.kt");