Fix compiler tests

compiler/testData/diagnostics/tests/generics/tpAsReified/Conventions.kt

@@ -1,8 +1,8 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 
-inline fun <reified T> T.plus(p: T): T = this
+inline operator fun <reified T> T.plus(p: T): T = this
 
-inline fun <reified T> T.invoke(): T  = this
+inline operator fun <reified T> T.invoke(): T  = this
 
 fun <A> main(tp: A, any: Any) {
     tp <!TYPE_PARAMETER_AS_REIFIED!>+<!> tp

compiler/testData/diagnostics/tests/generics/tpAsReified/Conventions.txt

@@ -1,5 +1,5 @@
 package
 
 public fun </*0*/ A> main(/*0*/ tp: A, /*1*/ any: kotlin.Any): kotlin.Unit
-@kotlin.inline() public fun </*0*/ reified T> T.invoke(): T
-@kotlin.inline() public fun </*0*/ reified T> T.plus(/*0*/ p: T): T
+@kotlin.inline() public operator fun </*0*/ reified T> T.invoke(): T
+@kotlin.inline() public operator fun </*0*/ reified T> T.plus(/*0*/ p: T): T

compiler/testData/diagnostics/tests/generics/varProjection/setterProjectedOutPlusAssignDefined.kt

@@ -4,7 +4,7 @@ interface Tr<T> {
 }
 
 class C {
-    fun plusAssign(<!UNUSED_PARAMETER!>c<!>: C) {}
+    operator fun plusAssign(<!UNUSED_PARAMETER!>c<!>: C) {}
 }
 
 fun test(t: Tr<out C>) {

compiler/testData/diagnostics/tests/generics/varProjection/setterProjectedOutPlusAssignDefined.txt

@@ -6,7 +6,7 @@ public final class C {
     public constructor C()
     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 final fun plusAssign(/*0*/ c: C): kotlin.Unit
+    public final operator fun plusAssign(/*0*/ c: C): kotlin.Unit
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }