Basic class members generation.

Split testData into 'classes' and 'expressions'.

compiler/testData/ir/irText/expressions/augmentedAssignment2.kt

@@ -0,0 +1,26 @@
+class A
+
+operator fun A.plusAssign(s: String) {}
+operator fun A.minusAssign(s: String) {}
+operator fun A.timesAssign(s: String) {}
+operator fun A.divAssign(s: String) {}
+operator fun A.modAssign(s: String) {}
+
+val p = A()
+
+fun testVariable() {
+    val a = A()
+    a += "+="
+    a -= "-="
+    a *= "*="
+    a /= "/="
+    a %= "*="
+}
+
+fun testProperty() {
+    p += "+="
+    p -= "-="
+    p *= "*="
+    p /= "/="
+    p %= "%="
+}