Regular checkType() is now called during condition analysis, TYPE_MISMATCH_IN_CONDITION removed #KT-11998 Fixed

compiler/testData/diagnostics/tests/smartCasts/propertyAsCondition.kt

@@ -0,0 +1,30 @@
+// See also: KT-11998
+data class My(val x: Boolean?)
+
+fun doIt() {}
+
+fun foo(my: My) {
+    if (my.x != null) {
+        // my.x should be smart-cast
+        if (<!DEBUG_INFO_SMARTCAST!>my.x<!>) doIt()
+        when (<!DEBUG_INFO_SMARTCAST!>my.x<!>) {
+            true -> doIt()
+        }
+        when {
+            <!DEBUG_INFO_SMARTCAST!>my.x<!> -> doIt()
+        }
+    }
+}
+
+fun bar(x: Boolean?) {
+    if (x != null) {
+        // x should be smart-cast
+        if (<!DEBUG_INFO_SMARTCAST!>x<!>) doIt()
+        when (<!DEBUG_INFO_SMARTCAST!>x<!>) {
+            true -> doIt()
+        }
+        when {
+            <!DEBUG_INFO_SMARTCAST!>x<!> -> doIt()
+        }
+    }
+}

compiler/testData/diagnostics/tests/smartCasts/propertyAsCondition.txt

@@ -0,0 +1,15 @@
+package
+
+public fun bar(/*0*/ x: kotlin.Boolean?): kotlin.Unit
+public fun doIt(): kotlin.Unit
+public fun foo(/*0*/ my: My): kotlin.Unit
+
+public final data class My {
+    public constructor My(/*0*/ x: kotlin.Boolean?)
+    public final val x: kotlin.Boolean?
+    public final operator /*synthesized*/ fun component1(): kotlin.Boolean?
+    public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Boolean? = ...): My
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}