JS: fix translation of delegated constructor call from secondary constructor when argument is a complex expression which translates to multiple statements. See KT-15357

compiler/testData/codegen/box/secondaryConstructors/delegateWithComplexExpression.kt

@@ -0,0 +1,46 @@
+var log = ""
+
+open class Base(val s: String)
+
+class A(s: String) : Base(s) {
+    constructor(i: Int) : this("O" + if (i == 23) {
+            log += "logged1;"
+            "K"
+        }
+        else {
+            "fail"
+        })
+
+    constructor(i: Long) : this(if (i == 23L) {
+        log += "logged2;"
+        23
+    }
+    else {
+        42
+    })
+}
+
+class B : Base {
+    constructor(i: Int) : super("O" + if (i == 23) {
+        log += "logged3;"
+        "K"
+    }
+    else {
+        "fail"
+    })
+}
+
+fun box(): String {
+    var result = A(23).s
+    if (result != "OK") return "fail1: $result"
+
+    result = A(23L).s
+    if (result != "OK") return "fail2: $result"
+
+    result = B(23).s
+    if (result != "OK") return "fail3: $result"
+
+    if (log != "logged1;logged2;logged1;logged3;") return "fail log: $log"
+
+    return "OK"
+}