KT-12152 : constructor consistency analysis, base cases

compiler/testData/diagnostics/tests/constructorConsistency/companion.kt

@@ -0,0 +1,19 @@
+class My {
+
+    val x = <!DEBUG_INFO_LEAKING_THIS!>foo<!>()
+
+    val w = bar()
+
+    fun foo() = 0
+
+    companion object {
+        
+        val y = <!UNRESOLVED_REFERENCE!>foo<!>()
+
+        val u = <!DEBUG_INFO_LEAKING_THIS!>bar<!>()
+
+        val z: String? = bar()
+
+        fun bar() = "1"
+    }
+}