[Spec tests] Add fixed tests for expressions section, fix linkage for reference-equality-expressions section

compiler/tests-spec/testData/codegen/box/notLinked/flexibility/neg/1.exceptions.compiletime.txt

@@ -0,0 +1 @@
+java.lang.IllegalStateException: TYPE_MISMATCH: Type mismatch: inferred type is Nothing? but Boolean was expected (7,21) in /KotlinClass.kt

compiler/tests-spec/testData/codegen/box/notLinked/flexibility/neg/1.kt

@@ -0,0 +1,34 @@
+// FULL_JDK
+// WITH_RUNTIME
+
+/*
+ * KOTLIN CODEGEN BOX NOT LINKED SPEC TEST (NEGATIVE)
+ *
+ * SECTIONS: flexibility
+ * NUMBER: 1
+ * DESCRIPTION: check Nothing flexibillity
+ * EXCEPTION: compiletime
+ * ISSUES: KT-35700
+ */
+
+// FILE: JavaClass.java
+public class JavaClass{
+    public static <T> T id(T x) {
+        return null;
+    }
+}
+
+// FILE: KotlinClass.kt
+
+fun box(): String {
+    val x = JavaClass.id(null) // Nothing!
+
+    return try {
+        val a = if (x) {
+            "NOK"
+        } else "NOK"
+        a
+    } catch (e: java.lang.IllegalStateException) {
+        "OK"
+    }
+}

compiler/tests-spec/testData/codegen/box/notLinked/flexibility/neg/2.exceptions.compiletime.txt

@@ -0,0 +1 @@
+java.lang.IllegalStateException: TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH: Type inference failed. Expected type mismatch: inferred type is Test<Nothing?> but Base<T> was expected (7,38) in /KotlinClass.kt

compiler/tests-spec/testData/codegen/box/notLinked/flexibility/neg/2.kt

@@ -0,0 +1,36 @@
+// FULL_JDK
+// WITH_RUNTIME
+
+/*
+ * KOTLIN CODEGEN BOX NOT LINKED SPEC TEST (NEGATIVE)
+ *
+ * SECTIONS: flexibility
+ * NUMBER: 2
+ * DESCRIPTION: check Nothing flexibillity
+ * EXCEPTION: compiletime
+ * ISSUES: KT-35700
+ */
+
+// FILE: Test.java
+
+public class Test<T> extends Base<T> {
+    public Test (T arg) {
+        super(arg);
+    }
+}
+
+
+// FILE: KotlinClass.kt
+
+open class Base<out T>(val prop: T)
+
+class Inheritor <T : Any> {
+    companion object {
+        fun <T> default(): Base<T> = Test(null)
+    }
+}
+
+fun box() {
+    val v: Base<String> = Inheritor.default()
+    println(v.prop.length)
+}

compiler/tests-spec/testData/codegen/box/notLinked/flexibility/pos/1.kt

@@ -0,0 +1,34 @@
+// !LANGUAGE: +NewInference
+// FULL_JDK
+// WITH_RUNTIME
+
+/*
+ * KOTLIN CODEGEN BOX NOT LINKED SPEC TEST (POSITIVE)
+ *
+ * SECTIONS: flexibility
+ * NUMBER: 1
+ * DESCRIPTION: check Nothing flexibillity
+ * ISSUES: KT-35700
+ */
+
+// FILE: JavaClass.java
+public class JavaClass{
+    public static <T> T id(T x) {
+        return null;
+    }
+}
+
+// FILE: KotlinClass.kt
+
+fun box(): String {
+    val x = JavaClass.id(null) // Nothing!
+
+    return try {
+        val a = if (x) {
+            "NOK"
+        } else "NOK"
+        a
+    } catch (e: IllegalStateException) {
+        "OK"
+    }
+}

compiler/tests-spec/testData/codegen/box/notLinked/flexibility/pos/2.kt

@@ -0,0 +1,42 @@
+// !LANGUAGE: +NewInference
+// FULL_JDK
+// WITH_RUNTIME
+
+/*
+ * KOTLIN CODEGEN BOX NOT LINKED SPEC TEST (POSITIVE)
+ *
+ * SECTIONS: flexibility
+ * NUMBER: 2
+ * DESCRIPTION: check Nothing flexibillity
+ * ISSUES: KT-35700
+ */
+
+// FILE: Test.java
+
+public class Test<T> extends Base<T> {
+    public Test (T arg) {
+        super(arg);
+    }
+}
+
+
+// FILE: KotlinClass.kt
+
+open class Base<out T>(val prop: T)
+
+class Inheritor <T : Any> {
+    companion object {
+        fun <T> default(): Base<T> = Test(null)
+    }
+}
+
+fun box() : String{
+    val v: Base<String> = Inheritor.default()
+    try {
+        println(v.prop.length)
+    }catch (e:  Exception ){
+        return "OK"
+    }
+    return "NOK"
+
+}