'operator' checks

idea/testData/checker/ExtensionFunctions.kt

@@ -46,7 +46,7 @@ fun Int.foo() = this
           val foo : Int = 0
         }
 
-        operator fun Any.equals(<warning>other</warning> : Any?) : Boolean = true
+        <warning>operator</warning> fun Any.equals(<warning>other</warning> : Any?) : Boolean = true
         fun Any?.equals1(<warning>other</warning> : Any?) : Boolean = true
         fun Any.equals2(<warning>other</warning> : Any?) : Boolean = true
 

idea/testData/checker/ForRangeConventions.kt

@@ -27,7 +27,7 @@ abstract class NotRange4() {
 }
 
 abstract class ImproperIterator3 {
-  abstract operator fun hasNext() : Int
+  abstract <warning>operator</warning> fun hasNext() : Int
   abstract operator fun next() : Int
 }
 

idea/testData/checker/IncDec.kt

@@ -16,8 +16,8 @@ fun testIncDec() {
 }
 
 class WrongIncDec() {
-  operator fun inc() : Int = 1
-  operator fun dec() : Int = 1
+  <warning>operator</warning> fun inc() : Int = 1
+  <warning>operator</warning> fun dec() : Int = 1
 }
 
 fun testWrongIncDec() {
@@ -29,8 +29,8 @@ fun testWrongIncDec() {
 }
 
 class UnitIncDec() {
-  operator fun inc() : Unit {}
-  operator fun dec() : Unit {}
+  <warning>operator</warning> fun inc() : Unit {}
+  <warning>operator</warning> fun dec() : Unit {}
 }
 
 fun testUnitIncDec() {

idea/testData/intentions/toInfixCall/multipleArguments.kt

@@ -1,5 +1,5 @@
 // IS_APPLICABLE: false
-// ERROR: 'infix' modifier is inapplicable on this function
+// WARNING: 'infix' modifier is inapplicable on this function
 interface Foo {
     infix fun foo(a: Int, b: Int)
 }

idea/testData/intentions/toInfixCall/packageFunctionCall.kt

@@ -1,5 +1,5 @@
 // IS_APPLICABLE: false
-// ERROR: 'infix' modifier is inapplicable on this function
+// WARNING: 'infix' modifier is inapplicable on this function
 package ppp
 
 infix fun foo(p: String){}

idea/testData/intentions/toInfixCall/simpleArgumentAndFunctionLiteralArgument.kt

@@ -1,5 +1,5 @@
 // IS_APPLICABLE: false
-// ERROR: 'infix' modifier is inapplicable on this function
+// WARNING: 'infix' modifier is inapplicable on this function
 
 fun foo(x: Foo) {
     x.<caret>foo(1) { it * 2 }

idea/testData/intentions/toInfixCall/singlePackageFunctionCall.kt

@@ -1,6 +1,6 @@
 // WITH_RUNTIME
 // IS_APPLICABLE: false
-// ERROR: 'infix' modifier is inapplicable on this function
+// WARNING: 'infix' modifier is inapplicable on this function
 
 package demo