diff --git a/compiler/tests-spec/testData/codegen/box/templates/_layout/linkedTestsLayout.kt b/compiler/tests-spec/testData/codegen/box/templates/_layout/linkedTestsLayout.kt
new file mode 100644
index 00000000000..25b9e3e2344
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/_layout/linkedTestsLayout.kt
@@ -0,0 +1,10 @@
+/*
+ KOTLIN CODEGEN BOX SPEC TEST (<!TEST_TYPE!>)
+
+ SECTIONS: <!SECTIONS!>
+ PARAGRAPH: <!PARAGRAPH_NUMBER!>
+ SENTENCE: [<!SENTENCE_NUMBER!>] <!SENTENCE!>
+ NUMBER: <!TEST_NUMBER!>
+ DESCRIPTION: <!TEST_DESCRIPTION!>
+ NOTE: this test data is generated by FeatureInteractionTestDataGenerator. DO NOT MODIFY CODE MANUALLY!
+ */
\ No newline at end of file
diff --git a/compiler/tests-spec/testData/codegen/box/templates/_layout/notLinkedTestsLayout.kt b/compiler/tests-spec/testData/codegen/box/templates/_layout/notLinkedTestsLayout.kt
new file mode 100644
index 00000000000..4621eb4f9f7
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/_layout/notLinkedTestsLayout.kt
@@ -0,0 +1,9 @@
+/*
+ KOTLIN NOT LINKED CODEGEN BOX SPEC TEST (<!TEST_TYPE!>)
+
+ SECTION: <!SECTION!>
+ CATEGORIES: <!CATEGORIES!>
+ NUMBER: <!TEST_NUMBER!>
+ DESCRIPTION: <!TEST_DESCRIPTION!>
+ NOTE: this test data is generated by FeatureInteractionTestDataGenerator. DO NOT MODIFY CODE MANUALLY!
+ */
\ No newline at end of file
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/atomicExpression.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/atomicExpression.kt
new file mode 100644
index 00000000000..13f5a3de296
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/atomicExpression.kt
@@ -0,0 +1,20 @@
+fun box(): String? {
+    val <!ELEMENT(1)!> = 10
+    val <!ELEMENT(2)!> = "."
+
+    val value_1 = <!ELEMENT(1)!> - 100 % <!ELEMENT(1)!>
+    val value_2 = <!ELEMENT(1)!>.dec()
+    val value_3 = "$<!ELEMENT(2)!> 10"
+    val value_4 = "${<!ELEMENT(2)!>}"
+    val value_5 = <!ELEMENT(2)!> + " 11..." + <!ELEMENT(2)!> + "1"
+    val value_6 = <!ELEMENT(1)!>
+
+    if (value_1 != 10) return null
+    if (value_2 != 9) return null
+    if (value_3 != ". 10") return null
+    if (value_4 != ".") return null
+    if (value_5 != ". 11....1") return null
+    if (value_6 != 10) return null
+
+    return "OK"
+}
\ No newline at end of file
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/callableReference.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/callableReference.kt
new file mode 100644
index 00000000000..74a19086294
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/callableReference.kt
@@ -0,0 +1,27 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+val Boolean.<!ELEMENT(1)!>: Boolean
+    get() {
+        return true
+    }
+
+val Boolean?.<!ELEMENT(2)!>: Boolean
+    get() {
+        return false
+    }
+
+fun Int?.<!ELEMENT(3)!>(x: Boolean): Boolean {
+    return !x
+}
+
+fun box(): String? {
+    if (!false.<!ELEMENT(1)!> || false.<!ELEMENT(2)!> || !0.<!ELEMENT(3)!>(false)) return null
+
+    if (!checkCallableName(Boolean::<!ELEMENT(1)!>, "<!ELEMENT_VALIDATION(1)!>") || !Boolean::<!ELEMENT(1)!>.get(true)) return null
+    if (!checkCallableName(Boolean????::<!ELEMENT(2)!>, "<!ELEMENT_VALIDATION(2)!>") || Boolean????::<!ELEMENT(2)!>.get(false)) return null
+    if (!checkCallableName(Boolean????::<!ELEMENT(2)!>::equals.call(false)::<!ELEMENT(1)!>, "<!ELEMENT_VALIDATION(1)!>")
+        || !Boolean????::<!ELEMENT(2)!>::equals.call(false)::<!ELEMENT(1)!>.get()) return null
+    if (!checkCallableName(Int?::<!ELEMENT(3)!>, "<!ELEMENT_VALIDATION(3)!>") || Int?::<!ELEMENT(3)!>.call(10, true)) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/catchBlock.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/catchBlock.kt
new file mode 100644
index 00000000000..24f618bc55b
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/catchBlock.kt
@@ -0,0 +1,22 @@
+annotation class A
+
+fun box(): String? {
+    var value_1 = false
+    var value_2 = true
+
+    try {
+        throw Exception()
+    } catch (<!ELEMENT!>: Throwable) {
+        value_1 = true
+    }
+
+    try {
+        throw Exception()
+    } catch (@A <!ELEMENT!>: Throwable) {
+        value_2 = false
+    }
+
+    if (!value_1 || value_2) return null
+
+    return "OK"
+}
\ No newline at end of file
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/class.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/class.kt
new file mode 100644
index 00000000000..8387341533e
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/class.kt
@@ -0,0 +1,33 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+open class <!ELEMENT(1)!> {
+    val x1 = true
+}
+
+internal open class A: <!ELEMENT(1)!>() {
+    val x2 = false
+}
+
+annotation class <!ELEMENT(2)!>(val x2: Boolean)
+
+@<!ELEMENT(2)!>(false) internal class B: @<!ELEMENT(2)!>(false) A() {}
+
+@<!ELEMENT(2)!>(true) interface C
+
+fun box(): String? {
+    val o1 = <!ELEMENT(1)!>()
+    val o2 = A()
+    val o3 = B()
+
+    if (o1.x1 != true) return null
+    if (o2.x1 != true || o2.x2 != false || o3.x2 != false || o3.x1 != true) return null
+
+    if (!checkAnnotation("B", "<!ELEMENT_VALIDATION(2)!>")) return null
+    if (!checkAnnotation("C", "<!ELEMENT_VALIDATION(2)!>")) return null
+    if (!checkSuperClass(B::class, "A")) return null
+    if (!checkSuperTypeAnnotation(B::class, "A", "<!ELEMENT_VALIDATION(2)!>")) return null
+    if (!checkClassName(<!ELEMENT(2)!>::class, "<!ELEMENT_VALIDATION(2)!>")) return null
+    if (!checkClassName(<!ELEMENT(1)!>::class, "<!ELEMENT_VALIDATION(1)!>")) return null
+
+    return "OK"
+}
\ No newline at end of file
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/companionObject.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/companionObject.kt
new file mode 100644
index 00000000000..c8a958119cb
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/companionObject.kt
@@ -0,0 +1,22 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+package org.jetbrains.<!ELEMENT(1)!>
+
+open class A {
+    companion object <!ELEMENT(2)!> {
+
+    }
+}
+
+class B {
+    companion object <!ELEMENT(3)!>: A() {
+
+    }
+}
+
+fun box(): String? {
+    if (!checkCompanionObjectName(A::class, "org.jetbrains.<!ELEMENT_VALIDATION(1)!>.A.<!ELEMENT_VALIDATION(2)!>")) return null
+    if (!checkCompanionObjectName(B::class, "org.jetbrains.<!ELEMENT_VALIDATION(1)!>.B.<!ELEMENT_VALIDATION(3)!>")) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/enumEntry.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/enumEntry.kt
new file mode 100644
index 00000000000..39c11a160ab
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/enumEntry.kt
@@ -0,0 +1,14 @@
+enum class A(val x: Boolean) {
+    <!ELEMENT(1)!>(false),
+    <!ELEMENT(2)!>(true);
+}
+
+fun box(): String? {
+    if (A.<!ELEMENT(1)!>.x) return null
+    if (!A.<!ELEMENT(2)!>.x) return null
+
+    if (A.<!ELEMENT(1)!>.name != "<!ELEMENT_VALIDATION(1)!>") return null
+    if (A.<!ELEMENT(2)!>.name != "<!ELEMENT_VALIDATION(2)!>") return null
+
+    return "OK"
+}
\ No newline at end of file
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/fileAnnotationComplex.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/fileAnnotationComplex.kt
new file mode 100644
index 00000000000..2a75a1d34fb
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/fileAnnotationComplex.kt
@@ -0,0 +1,19 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+@file:[org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(2)!>() <!ELEMENT(3)!>]
+
+package org.jetbrains.<!ELEMENT(1)!>
+
+@Target(AnnotationTarget.FILE)
+annotation class <!ELEMENT(2)!>
+
+@Target(AnnotationTarget.FILE)
+annotation class <!ELEMENT(3)!>
+
+fun box(): String? {
+    if (!checkFileAnnotations("org.jetbrains.<!ELEMENT_VALIDATION(1)!>.<!CLASS_OF_FILE!>", listOf("org.jetbrains.<!ELEMENT_VALIDATION(1)!>.<!ELEMENT_VALIDATION(2)!>", "<!ELEMENT_VALIDATION(3)!>"))) return null
+    if (!checkPackageName("org.jetbrains.<!ELEMENT_VALIDATION(1)!>.<!CLASS_OF_FILE!>", "org.jetbrains.<!ELEMENT_VALIDATION(1)!>")) return null
+    if (!checkClassName(<!ELEMENT(2)!>::class, "org.jetbrains.<!ELEMENT_VALIDATION(1)!>.<!ELEMENT_VALIDATION(2)!>")) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/fileAnnotationSimple.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/fileAnnotationSimple.kt
new file mode 100644
index 00000000000..7ad41b95e36
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/fileAnnotationSimple.kt
@@ -0,0 +1,18 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+@file:<!ELEMENT(1)!>
+@file:<!ELEMENT(2)!>
+
+@Target(AnnotationTarget.FILE)
+annotation class <!ELEMENT(1)!>
+
+@Target(AnnotationTarget.FILE)
+annotation class <!ELEMENT(2)!>
+
+fun box(): String? {
+    if (!checkFileAnnotations("<!CLASS_OF_FILE!>", listOf("<!ELEMENT_VALIDATION(1)!>", "<!ELEMENT_VALIDATION(2)!>"))) return null
+    if (!checkClassName(<!ELEMENT(1)!>::class, "<!ELEMENT_VALIDATION(1)!>")) return null
+    if (!checkClassName(<!ELEMENT(2)!>::class, "<!ELEMENT_VALIDATION(2)!>")) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/function.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/function.kt
new file mode 100644
index 00000000000..5927a269646
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/function.kt
@@ -0,0 +1,31 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+fun <!ELEMENT(1)!>(): Boolean {
+    return true
+}
+
+fun Boolean.<!ELEMENT(2)!>() = true
+
+fun <T> T.<!ELEMENT(4)!>() = listOf(0).<!ELEMENT(3)!>()
+
+inline fun <reified T, K> K?.<!ELEMENT(3)!>(x1: T = 10 as T)
+        where K : List<T>,
+              K : Iterable<T>,
+              T : Comparable<T>,
+              T : Number = false
+
+fun box(): String? {
+    if (!<!ELEMENT(1)!>()) return null
+    if (null.<!ELEMENT(3)!><Int, List<Int>>()) return null
+    if (false.<!ELEMENT(4)!>()) return null
+    if (!false.<!ELEMENT(2)!>()) return null
+    if (Any().<!ELEMENT(4)!>()) return null
+
+    if (!checkFunctionName(::<!ELEMENT(1)!>, "<!ELEMENT_VALIDATION(1)!>")) return null
+    if (!checkFunctionName(Boolean::<!ELEMENT(2)!>, "<!ELEMENT_VALIDATION(2)!>")) return null
+    if (!checkFunctionName(Boolean::<!ELEMENT(4)!>, "<!ELEMENT_VALIDATION(4)!>")) return null
+    if (!checkFunctionName(List<Int>::<!ELEMENT(3)!>, "<!ELEMENT_VALIDATION(3)!>")) return null
+    if (!checkFunctionName(Nothing?::<!ELEMENT(4)!>, "<!ELEMENT_VALIDATION(4)!>")) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/import.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/import.kt
new file mode 100644
index 00000000000..7c26ff6a56c
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/import.kt
@@ -0,0 +1,46 @@
+// FILE: 2_19_1.kt
+
+package org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(2)!>
+
+val x1 = false
+
+// FILE: 2_19_2.kt
+
+val <!ELEMENT(5)!> = false
+
+// FILE: 2_19_3.kt
+
+package <!ELEMENT(3)!>;
+
+val x3 = true
+
+// FILE: 2_19_4.kt
+
+package <!ELEMENT(4)!>
+
+val x4 = false
+
+// FILE: 2_19_5.kt
+
+package org.jetbrains.kotlin
+
+val x5 = true
+
+// FILE: 2_19_6.kt
+
+val <!ELEMENT(6)!> = false
+
+// FILE: 2_19_7.kt
+
+package part_1
+
+import org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(2)!>.*
+import <!ELEMENT(4)!>
+import <!ELEMENT(3)!>.*;
+import <!ELEMENT(4)!>.*import <!ELEMENT(3)!>
+
+fun box(): String? {
+    if (x1 || <!ELEMENT(5)!> || !x3 || x4 || <!ELEMENT(6)!>) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/infixFunctionCall.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/infixFunctionCall.kt
new file mode 100644
index 00000000000..4b36b23f81e
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/infixFunctionCall.kt
@@ -0,0 +1,12 @@
+infix fun Int.<!ELEMENT(1)!>(value: Int) = value > 100
+
+infix fun Int.<!ELEMENT(2)!>(value: Int): Int {
+    return value - 90
+}
+
+fun box(): String? {
+    if (1 + 1 <!ELEMENT(1)!> -1001020) return null
+    if (1 + 1 <!ELEMENT(2)!> 2004 <!ELEMENT(1)!> -0) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/labelDefinition.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/labelDefinition.kt
new file mode 100644
index 00000000000..17fed2cacd9
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/labelDefinition.kt
@@ -0,0 +1,40 @@
+@Retention(AnnotationRetention.SOURCE)
+@Target(AnnotationTarget.EXPRESSION)
+annotation class Foo
+
+fun box(): String? {
+    val lambda_1 = <!ELEMENT(1)!>@ {
+        return@<!ELEMENT(1)!> false
+    }
+    val lambda_2 = @Foo <!ELEMENT(2)!>@ { Boolean
+        return@<!ELEMENT(2)!> false
+    }
+
+    val x1 = <!ELEMENT(1)!>@ true
+
+    var i = 0
+
+    <!ELEMENT(2)!>@ while (true) {
+        i++
+        if (i < 4) continue@<!ELEMENT(2)!>
+        i++
+        if (i > 15) break@<!ELEMENT(2)!>
+    }
+
+    var j = 0
+
+    <!ELEMENT(1)!>@ for (k in 0..20) {
+        j++
+        if (k < 4) continue@<!ELEMENT(1)!>
+        j++
+        if (k > 15) break@<!ELEMENT(1)!>
+    }
+
+    if (lambda_1()) return null
+    if (lambda_2()) return null
+    if (!x1) return null
+    if (i != 17) return null
+    if (j != 30) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/labelReference.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/labelReference.kt
new file mode 100644
index 00000000000..89205586cbd
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/labelReference.kt
@@ -0,0 +1,24 @@
+fun <!ELEMENT(3)!>() {
+    val l = <!ELEMENT(2)!>@ {
+        return@<!ELEMENT(2)!>
+    }
+    l()
+    return@<!ELEMENT(1)!>
+}
+
+fun box(): String? {
+    <!ELEMENT(3)!>()
+
+    var i = 0
+    <!ELEMENT(2)!>@ while (i < 10) {
+        i++
+        if (i <= 7) {
+            continue@<!ELEMENT(2)!>
+        }
+        if (i > 5) {
+            break@<!ELEMENT(2)!>
+        }
+    }
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/object.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/object.kt
new file mode 100644
index 00000000000..67b70b06e9f
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/object.kt
@@ -0,0 +1,23 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+open class A {
+    val x1 = true
+}
+
+final object <!ELEMENT(2)!> {
+    val x1 = false
+}
+
+object <!ELEMENT(1)!> : A() {
+    val x2 = false
+}
+
+fun box(): String? {
+    if (<!ELEMENT(2)!>.x1) return null
+    if (!<!ELEMENT(1)!>.x1 || <!ELEMENT(1)!>.x2) return null
+
+    if (!checkClassName(<!ELEMENT(2)!>::class, "<!ELEMENT_VALIDATION(2)!>")) return null
+    if (!checkClassName(<!ELEMENT(1)!>::class, "<!ELEMENT_VALIDATION(1)!>")) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/packageComplex.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/packageComplex.kt
new file mode 100644
index 00000000000..abf8fc5c19c
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/packageComplex.kt
@@ -0,0 +1,9 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+package org.jetbrains.<!ELEMENT(1)!>
+
+fun box(): String? {
+    if (!checkPackageName("org.jetbrains.<!ELEMENT_VALIDATION(1)!>.<!CLASS_OF_FILE!>", "org.jetbrains.<!ELEMENT_VALIDATION(1)!>")) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/packageSimple.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/packageSimple.kt
new file mode 100644
index 00000000000..e0059c3969e
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/packageSimple.kt
@@ -0,0 +1,9 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+package <!ELEMENT(1)!>
+
+fun box(): String? {
+    if (!checkPackageName("<!ELEMENT_VALIDATION(1)!>.<!CLASS_OF_FILE!>", "<!ELEMENT_VALIDATION(1)!>")) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/parameter.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/parameter.kt
new file mode 100644
index 00000000000..ca220fd0a1e
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/parameter.kt
@@ -0,0 +1,29 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+fun f1(<!ELEMENT(1)!>: Boolean) = !!!<!ELEMENT(1)!>
+fun f2(<!ELEMENT(2)!>: Boolean, <!ELEMENT(3)!>: Boolean) = <!ELEMENT(2)!> && <!ELEMENT(3)!>
+fun f3(<!ELEMENT(4)!>: Boolean, <!ELEMENT(5)!>: Boolean = <!ELEMENT(4)!>) = <!ELEMENT(4)!> || !<!ELEMENT(5)!>
+
+class A {
+    var x1: Boolean = false
+        set(<!ELEMENT(6)!>) {
+            field = !<!ELEMENT(6)!>
+        }
+}
+
+fun box(): String? {
+    val a = A()
+    a.x1 = false
+
+    if (f1(true)) return null
+    if (!f2(true, true)) return null
+    if (f3(false, true)) return null
+    if (!a.x1) return null
+
+    if (!checkParameter(::f1, "<!ELEMENT_VALIDATION(1)!>")) return null
+    if (!checkParameters(::f2, listOf("<!ELEMENT_VALIDATION(2)!>", "<!ELEMENT_VALIDATION(3)!>"))) return null
+    if (!checkParameters(::f3, listOf("<!ELEMENT_VALIDATION(4)!>", "<!ELEMENT_VALIDATION(5)!>"))) return null
+    if (!checkSetterParameterName(A::x1, "<!ELEMENT_VALIDATION(6)!>")) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/setter.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/setter.kt
new file mode 100644
index 00000000000..f47c109357c
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/setter.kt
@@ -0,0 +1,35 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+class A {
+    var x1: String = "100"
+        set(<!ELEMENT(1)!>) {
+            field = "$<!ELEMENT(1)!> 10"
+        }
+}
+
+object B {
+    var x2: String = "101"
+        set(<!ELEMENT(2)!>) = kotlin.Unit
+}
+
+var x3: String = "102"
+    set(<!ELEMENT(3)!>) {
+        field = "${<!ELEMENT(3)!>} 11"
+    }
+
+fun box(): String? {
+    val a = A()
+    a.x1 = "0"
+    B.x2 = "1"
+    x3 = "2"
+
+    if (a.x1 != "0 10") return null
+    if (B.x2 != "101") return null
+    if (x3 != "2 11") return null
+
+    if (!checkSetterParameterName(A::x1, "<!ELEMENT_VALIDATION(1)!>")) return null
+    if (!checkSetterParameterName(B::x2, "<!ELEMENT_VALIDATION(2)!>")) return null
+    if (!checkSetterParameterName(::x3, "<!ELEMENT_VALIDATION(3)!>")) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/simpleUserType.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/simpleUserType.kt
new file mode 100644
index 00000000000..3a2e42b7b0c
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/simpleUserType.kt
@@ -0,0 +1,110 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+package org.jetbrains.<!ELEMENT(1)!>
+
+open class <!ELEMENT(2)!>
+open class <!ELEMENT(3)!><T>
+
+typealias D<<!ELEMENT(6)!>> = <!ELEMENT(3)!><<!ELEMENT(6)!>>
+
+inline fun <reified <!ELEMENT(4)!>, reified <!ELEMENT(5)!>> f1() =
+    when (<!ELEMENT(2)!>()) {
+        is <!ELEMENT(4)!> -> true
+        is <!ELEMENT(5)!> -> false
+        else -> false
+    }
+
+inline fun <reified T : D<<!ELEMENT(2)!>>> T.f2(value: T) = value is <!ELEMENT(2)!>
+
+class A<K: List<out <!ELEMENT(3)!><out String>>> {
+    val x = true
+}
+
+class B<K, T: A<List<out <!ELEMENT(3)!><String>>>> {
+    var x = false
+}
+
+fun <T : org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(2)!>> T.f3() = false
+
+fun f4(x1: List<out <!ELEMENT(3)!><String>>): Boolean {
+    return true
+}
+
+fun f5(x1: List<List<List<<!ELEMENT(2)!>?>>>) = false
+
+fun f6(x1: <!ELEMENT(2)!>) = false
+
+fun f7(x1: <!ELEMENT(3)!><*>) = true
+
+fun f8(x1: <!ELEMENT(3)!><out Any>) = false
+
+fun f9(x1: <!ELEMENT(3)!><out List<<!ELEMENT(3)!><*>>>) = true
+
+val x1: List<<!ELEMENT(2)!>?> = listOf(<!ELEMENT(2)!>(), null, <!ELEMENT(2)!>())
+
+lateinit var x2: List<<!ELEMENT(3)!><out Number>?>
+
+fun box(): String? {
+    x2 = listOf(<!ELEMENT(3)!><Int>(), null, <!ELEMENT(3)!>())
+
+    if (!f1<<!ELEMENT(2)!>, <!ELEMENT(3)!><<!ELEMENT(2)!>>>()) return null
+    if (<!ELEMENT(3)!><<!ELEMENT(2)!>>().f2(<!ELEMENT(3)!>())) return null
+    if (!A<List<<!ELEMENT(3)!><String>>>().x) return null
+    if (B<<!ELEMENT(2)!>, A<List<<!ELEMENT(3)!><String>>>>().x) return null
+    if (<!ELEMENT(2)!>().f3()) return null
+    if (!f4(listOf(<!ELEMENT(3)!>()))) return null
+    if (f5(listOf(listOf(listOf(null, <!ELEMENT(2)!>(), null, <!ELEMENT(2)!>()))))) return null
+    if (f6(<!ELEMENT(2)!>())) return null
+    if (!f7(<!ELEMENT(3)!><Nothing>())) return null
+    if (f8(<!ELEMENT(3)!><<!ELEMENT(2)!>>())) return null
+    if (!f9(<!ELEMENT(3)!><List<<!ELEMENT(3)!><<!ELEMENT(2)!>>>>())) return null
+
+    if (x1.containsAll(listOf(<!ELEMENT(2)!>(), null, <!ELEMENT(2)!>()))) return null
+    if (x2.containsAll(listOf(<!ELEMENT(3)!><Int>(), null, <!ELEMENT(3)!>()))) return null
+
+    if (!checkCallableTypeParametersWithUpperBounds(
+            <!ELEMENT(3)!><<!ELEMENT(2)!>>::f2,
+            listOf(
+                Pair("T", listOf("org.jetbrains.<!ELEMENT(1)!>.D<org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(2)!>> /* = org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(2)!>> */"))
+            )
+        )) return null
+
+    if (!checkClassTypeParametersWithUpperBounds(
+            A::class,
+            listOf(
+                Pair("K", listOf("kotlin.collections.List<out org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><out kotlin.String>>"))
+            )
+        )) return null
+
+    if (!checkClassTypeParametersWithUpperBounds(
+            B::class,
+            listOf(
+                Pair("T", listOf("org.jetbrains.<!ELEMENT(1)!>.A<kotlin.collections.List<out org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><kotlin.String>>>"))
+            )
+        )) return null
+
+    if (!checkCallableTypeParametersWithUpperBounds(
+            <!ELEMENT(2)!>::f3,
+            listOf(
+                Pair("T", listOf("org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(2)!>"))
+            )
+        )) return null
+
+    if (!checkParameterType(::f4, "x1", "kotlin.collections.List<out org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><kotlin.String>>")) return null
+
+    if (!checkParameterType(::f5, "x1", "kotlin.collections.List<kotlin.collections.List<kotlin.collections.List<org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(2)!>?>>>")) return null
+
+    if (!checkPropertyType(::x1, "kotlin.collections.List<org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(2)!>?>")) return null
+
+    if (!checkPropertyType(::x2, "kotlin.collections.List<org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><out kotlin.Number>?>")) return null
+
+    if (!checkParameterType(::f6, "x1", "org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(2)!>")) return null
+
+    if (!checkParameterType(::f7, "x1", "org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><*>")) return null
+
+    if (!checkParameterType(::f8, "x1", "org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><out kotlin.Any>")) return null
+
+    if (!checkParameterType(::f9, "x1", "org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><out kotlin.collections.List<org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><*>>>")) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/stringTemplateElement.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/stringTemplateElement.kt
new file mode 100644
index 00000000000..ee12b1c0a3d
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/stringTemplateElement.kt
@@ -0,0 +1,17 @@
+fun box(): String? {
+    val <!ELEMENT(1)!> = "0"
+    val <!ELEMENT(2)!> = "1"
+
+    val x1 = "${<!ELEMENT(2)!>}"
+    val x2 = "..." + "...$<!ELEMENT(1)!>..." + "..."
+    var x3 = "$<!ELEMENT(2)!>${<!ELEMENT(1)!>}$<!ELEMENT(2)!>"
+
+    if (<!ELEMENT(2)!> != "1") return null
+    if (<!ELEMENT(1)!> != "0") return null
+
+    if (x1 != "1") return null
+    if (x2 != "......0......") return null
+    if (x3 != "101") return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/typeAlias.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/typeAlias.kt
new file mode 100644
index 00000000000..afaf88eb1dc
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/typeAlias.kt
@@ -0,0 +1,17 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+typealias <!ELEMENT(1)!> = Boolean
+
+internal typealias <!ELEMENT(2)!><<!ELEMENT(3)!>> = Map<<!ELEMENT(3)!>, List<<!ELEMENT(3)!>>?>
+
+fun box(): String? {
+    val x1: <!ELEMENT(2)!><Boolean> = mapOf(true to listOf(false, false), false to null)
+    val x2: <!ELEMENT(1)!> = false
+
+    if (!x1[true]!!.containsAll(listOf(false, false)) || x1[false] != null) return null
+    if (x2) return null
+
+    if (!checkClassName(<!ELEMENT(1)!>::class, "kotlin.Boolean")) return null
+
+    return "OK"
+}
\ No newline at end of file
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/typeConstraint.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/typeConstraint.kt
new file mode 100644
index 00000000000..ff0b4155a61
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/typeConstraint.kt
@@ -0,0 +1,54 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+class A <<!ELEMENT(1)!>, <!ELEMENT(2)!>>
+        where <!ELEMENT(1)!> : CharSequence,
+              <!ELEMENT(2)!> : Comparable<<!ELEMENT(1)!>> {
+    fun getValue() = false
+}
+
+annotation class B <<!ELEMENT(3)!>>
+        where <!ELEMENT(3)!> : CharSequence,
+              @A<List<Nothing?>> <!ELEMENT(3)!> : Comparable<<!ELEMENT(3)!>> {
+
+}
+
+annotation class C <<!ELEMENT(4)!>, <!ELEMENT(5)!>> where @property:C <!ELEMENT(4)!> : CharSequence, <!ELEMENT(5)!> : Comparable<<!ELEMENT(5)!>> {
+
+}
+
+fun <<!ELEMENT(4)!>, <!ELEMENT(5)!>> d(): Boolean
+        where <!ELEMENT(4)!> : Any,
+              <!ELEMENT(4)!> : Iterable<*>,
+              <!ELEMENT(4)!> : Collection<*>,
+              <!ELEMENT(4)!> : MutableCollection<*>,
+              <!ELEMENT(5)!> : Comparable<<!ELEMENT(4)!>> = true
+
+fun box(): String? {
+    if (!d<MutableSet<Any>, Comparable<MutableSet<Any>>>()) return null
+    if (A<String, String>().getValue()) return null
+
+    if (!checkClassTypeParametersWithUpperBounds(
+            A::class,
+            listOf(
+                Pair("<!ELEMENT_VALIDATION(1)!>", listOf("kotlin.CharSequence")),
+                Pair("<!ELEMENT_VALIDATION(2)!>", listOf("kotlin.Comparable<<!ELEMENT(1)!>>"))
+            )
+        )) return null
+
+    if (!checkClassTypeParametersWithUpperBounds(
+            B::class,
+            listOf(
+                Pair("<!ELEMENT_VALIDATION(3)!>", listOf("kotlin.CharSequence", "kotlin.Comparable<<!ELEMENT(3)!>>"))
+            )
+        )) return null
+
+    if (!checkClassTypeParametersWithUpperBounds(
+            C::class,
+            listOf(
+                Pair("<!ELEMENT_VALIDATION(4)!>", listOf("kotlin.CharSequence")),
+                Pair("<!ELEMENT_VALIDATION(5)!>", listOf("kotlin.Comparable<<!ELEMENT(5)!>>"))
+            )
+        )) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/typeParameter.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/typeParameter.kt
new file mode 100644
index 00000000000..866877670c4
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/typeParameter.kt
@@ -0,0 +1,48 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+package org.jetbrains.<!ELEMENT(1)!>
+
+open class <!ELEMENT(2)!> {
+    val x1 = false
+}
+open class <!ELEMENT(3)!><T> {
+    val x1 = true
+}
+
+typealias A<<!ELEMENT(4)!>> = <!ELEMENT(3)!><<!ELEMENT(4)!>>
+
+class B<<!ELEMENT(5)!>, <!ELEMENT(6)!>> {
+    val x1: <!ELEMENT(5)!> = <!ELEMENT(3)!><<!ELEMENT(6)!>>() as <!ELEMENT(5)!>
+    val x2: A<<!ELEMENT(6)!>> = <!ELEMENT(3)!><<!ELEMENT(5)!>>() as A<<!ELEMENT(6)!>>
+    val x3: <!ELEMENT(6)!> = <!ELEMENT(2)!>() as <!ELEMENT(6)!>
+}
+
+fun <<!ELEMENT(7)!>: Number> f1(): Boolean {
+    val x1: <!ELEMENT(7)!> = 10 as <!ELEMENT(7)!>
+    return false
+}
+
+inline fun <reified <!ELEMENT(8)!>, reified <!ELEMENT(9)!> : Any> <!ELEMENT(8)!>.f2() = true
+
+val <<!ELEMENT(10)!>> <!ELEMENT(10)!>.x1: <!ELEMENT(3)!><Int>
+    get() = <!ELEMENT(3)!><Int>()
+
+fun box(): String? {
+    val b = B<<!ELEMENT(3)!><<!ELEMENT(2)!>>, <!ELEMENT(2)!>>()
+
+    if (!null.x1.x1) return null
+    if (!b.x1.x1 || !b.x2.x1 || b.x3.x1) return null
+    if (f1<Byte>()) return null
+    if (!0.f2<Int, <!ELEMENT(2)!>>()) return null
+    if (!(-1).x1.x1) return null
+
+    if (!checkCallableTypeParameter(Any::x1, "<!ELEMENT_VALIDATION(10)!>")) return null
+    if (!checkClassTypeParameters(B::class, listOf("<!ELEMENT_VALIDATION(2)!>", "<!ELEMENT_VALIDATION(5)!>"))) return null
+    if (!checkTypeProperties(B::class, listOf(
+            Pair("x1", "<!ELEMENT(5)!>"),
+            Pair("x2", "org.jetbrains.<!ELEMENT(1)!>.A<<!ELEMENT(6)!>> /* = org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><<!ELEMENT(6)!>> */"),
+            Pair("x3", "<!ELEMENT(6)!>")
+        ))) return null
+
+    return "OK"
+}
\ No newline at end of file
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/unescapedAnnotation.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/unescapedAnnotation.kt
new file mode 100644
index 00000000000..590970427e4
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/unescapedAnnotation.kt
@@ -0,0 +1,52 @@
+<!DIRECTIVES("HELPERS: REFLECT")!>
+
+package org.jetbrains.<!ELEMENT(1)!>
+
+annotation class <!ELEMENT(2)!>
+
+annotation class <!ELEMENT(3)!> <T> (val a: String)
+
+class A {
+    @field:<!ELEMENT(2)!>
+    val x1: Int = 0
+
+    @setparam:<!ELEMENT(2)!>
+    var x2: Int = 1
+
+    val @receiver:org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><List<Int>>("false") String.x3: Int
+        get() {
+            return 2
+        }
+
+    @org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><Int>("1")
+    val x4: Int = 3
+
+    @<!ELEMENT(2)!>
+    val x5: Int = 4
+
+    val x6: Int = "...".x3
+}
+
+@<!ELEMENT(2)!> val x6 = 5
+
+@org.jetbrains.<!ELEMENT(1)!>.<!ELEMENT(3)!><<!ELEMENT(2)!>>(".") fun f1() = false
+
+fun box(): String? {
+    val a = A()
+
+    if (a.x1 != 0 || a.x2 != 1 || a.x6 != 2 || a.x4 != 3 || a.x5 != 4 || x6 != 5) return null
+    if (f1()) return null
+
+    if (!checkProperties(A::class, listOf("x1", "x2", "x3", "x4", "x5"))) return null
+    if (!checkPropertiesWithAnnotation(
+            A::class,
+            listOf(
+                Pair("x4", listOf("org.jetbrains.<!ELEMENT_VALIDATION(1)!>.<!ELEMENT_VALIDATION(3)!>")),
+                Pair("x5", listOf("org.jetbrains.<!ELEMENT_VALIDATION(1)!>.<!ELEMENT_VALIDATION(2)!>"))
+            )
+        )) return null
+    if (!checkPropertyAnnotation(::x6, "org.jetbrains.<!ELEMENT_VALIDATION(1)!>.<!ELEMENT_VALIDATION(2)!>")) return null
+    if (!checkFunctionAnnotation(::f1, "org.jetbrains.<!ELEMENT_VALIDATION(1)!>.<!ELEMENT_VALIDATION(3)!>")) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/valueArgument.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/valueArgument.kt
new file mode 100644
index 00000000000..e0eac14ddb8
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/valueArgument.kt
@@ -0,0 +1,17 @@
+<!DIRECTIVES("WITH_RUNTIME")!>
+
+fun f1(<!ELEMENT(1)!>: Boolean, <!ELEMENT(2)!>: Boolean) = <!ELEMENT(1)!> && !!!<!ELEMENT(2)!>
+
+fun f2(<!ELEMENT(3)!>: Boolean): Boolean {
+    return !<!ELEMENT(3)!>
+}
+
+fun f3(vararg <!ELEMENT(4)!>: Boolean, <!ELEMENT(5)!>: Boolean) = <!ELEMENT(4)!>.any { it } && <!ELEMENT(5)!>
+
+fun box(): String? {
+    if (f1(<!ELEMENT(1)!> = false, <!ELEMENT(2)!> = true)) return null
+    if (!f2(<!ELEMENT(3)!> = false && true || true && false)) return null
+    if (!f3(<!ELEMENT(4)!> = *booleanArrayOf(true, false, false, true), <!ELEMENT(5)!> = true)) return null
+
+    return "OK"
+}
diff --git a/compiler/tests-spec/testData/codegen/box/templates/identifiers/variableDeclarationEntry.kt b/compiler/tests-spec/testData/codegen/box/templates/identifiers/variableDeclarationEntry.kt
new file mode 100644
index 00000000000..a8aed54d803
--- /dev/null
+++ b/compiler/tests-spec/testData/codegen/box/templates/identifiers/variableDeclarationEntry.kt
@@ -0,0 +1,33 @@
+<!DIRECTIVES("WITH_RUNTIME")!>
+
+val <!ELEMENT(1)!> = {`false`: Boolean -> !`false` }
+
+fun f1(value: Pair<String, String>): Boolean {
+    val (<!ELEMENT(2)!>, <!ELEMENT(3)!>) = value
+
+    if (<!ELEMENT(2)!> != "1") return false
+    if (<!ELEMENT(3)!> != "2") return false
+
+    return true
+}
+
+fun box(): String? {
+    var i = 0
+    for (<!ELEMENT(4)!>: Int in 0..10) {
+        i++
+    }
+
+    if (!<!ELEMENT(1)!>(false)) return null
+
+    val <!ELEMENT(5)!> = { <!ELEMENT(6)!>: Boolean, <!ELEMENT(7)!>: Int -> true }
+    var <!ELEMENT(8)!>: Boolean
+
+    <!ELEMENT(8)!> = false
+
+    if (!f1(Pair("1", "2"))) return null
+    if (i != 11) return null
+    if (!<!ELEMENT(5)!>(false, 10)) return null
+    if (<!ELEMENT(8)!>) return null
+
+    return "OK"
+}
\ No newline at end of file