Fix compiler tests

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/ArrayGetSetConvention.kt

@@ -1,8 +1,8 @@
 // !CHECK_TYPE
 
 interface G {
-    fun get(x: Int, y: Int): Int = x + y
-    fun set(x: Int, y: Int, value: Int) {}
+    operator fun get(x: Int, y: Int): Int = x + y
+    operator fun set(x: Int, y: Int, value: Int) {}
 }
 
 fun foo1(a: Int?, b: G) {

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/ArrayGetSetConvention.txt

@@ -7,8 +7,8 @@ public fun foo4(/*0*/ a: kotlin.Int?, /*1*/ b: G): kotlin.Unit
 
 public interface G {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-    public open fun get(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int): kotlin.Int
+    public open operator fun get(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public open fun set(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int, /*2*/ value: kotlin.Int): kotlin.Unit
+    public open operator fun set(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int, /*2*/ value: kotlin.Int): kotlin.Unit
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/BinaryExpressionCompareToConvention.kt

@@ -3,7 +3,7 @@
 interface A
 
 interface B : A
-fun B.compareTo(b: B) = if (this == b) 0 else 1
+operator fun B.compareTo(b: B) = if (this == b) 0 else 1
 
 fun foo(a: A): Boolean {
     val result = (a as B) < <!DEBUG_INFO_SMARTCAST!>a<!>

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/BinaryExpressionCompareToConvention.txt

@@ -2,7 +2,7 @@ package
 
 public fun bar(/*0*/ a: A, /*1*/ b: B): kotlin.Boolean
 public fun foo(/*0*/ a: A): kotlin.Boolean
-public fun B.compareTo(/*0*/ b: B): kotlin.Int
+public operator fun B.compareTo(/*0*/ b: B): kotlin.Int
 
 public interface A {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/BinaryExpressionPlusConvention.kt

@@ -3,7 +3,7 @@
 interface A
 
 interface B : A
-fun B.plus(b: B) = if (this == b) b else this
+operator fun B.plus(b: B) = if (this == b) b else this
 
 fun foo(a: A): B {
     val result = (a as B) + <!DEBUG_INFO_SMARTCAST!>a<!>

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/BinaryExpressionPlusConvention.txt

@@ -2,7 +2,7 @@ package
 
 public fun bar(/*0*/ a: A, /*1*/ b: B): B
 public fun foo(/*0*/ a: A): B
-public fun B.plus(/*0*/ b: B): B
+public operator fun B.plus(/*0*/ b: B): B
 
 public interface A {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/MultiDeclaration.kt

@@ -1,6 +1,6 @@
 // !CHECK_TYPE
 
-fun Int.component1() = "a"
+operator fun Int.component1() = "a"
 
 fun foo(a: Number) {
     val (x) = a as Int

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/MultiDeclaration.txt

@@ -1,4 +1,4 @@
 package
 
 public fun foo(/*0*/ a: kotlin.Number): kotlin.Unit
-public fun kotlin.Int.component1(): kotlin.String
+public operator fun kotlin.Int.component1(): kotlin.String