[FE 1.0] Make type of safe call always nullable

^KT-46860 In Progress
2021-06-21 15:06:06 +03:00
parent 805fad980f
commit 26b9948e5f
10 changed files with 86 additions and 6 deletions
@@ -0,0 +1,20 @@
+// LANGUAGE: +SafeCallsAreAlwaysNullable
+// ISSUE: KT-46860
+
+interface A {
+    fun foo(): Int
+}
+
+fun takeInt(x: Int) {}
+
+fun test_1(a: A) {
+    val x = <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>a<!UNNECESSARY_SAFE_CALL!>?.<!>foo()<!>
+    takeInt(x) // should be an error
+}
+
+fun test_2(a: A?) {
+    if (a != null) {
+        val x = <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>a<!UNNECESSARY_SAFE_CALL!>?.<!>foo()<!>
+        takeInt(x) // should be an error
+    }
+}