Refactoring: "replace with operator assignment" is now an inspection

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/.inspection

@@ -0,0 +1 @@
+org.jetbrains.kotlin.idea.inspections.ReplaceWithOperatorAssignmentInspection

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/flexibleTypeBug.kt

@@ -0,0 +1,7 @@
+// PROBLEM: none
+// WITH_RUNTIME
+fun foo() {
+    var list1 = java.util.Collections.emptyList<String>()
+    val list2 = listOf("b")
+    list1 <caret>= list1 + list2
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/illegalMultipleOperators.kt

@@ -0,0 +1,5 @@
+// PROBLEM: none
+fun foo() {
+    var x = 0
+    x =<caret> x / 1 + 1
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/illegalMultipleOperatorsMiddle.kt

@@ -0,0 +1,6 @@
+// PROBLEM: none
+fun foo() {
+    var x = 0
+    val y = 0
+    x =<caret> y / x + 0
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/invalidSubtraction.kt

@@ -0,0 +1,5 @@
+// PROBLEM: none
+fun foo() {
+    var x = 0
+    <caret>x = 1 - x
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/multipleOperators.kt

@@ -0,0 +1,5 @@
+fun foo() {
+    var x = 0
+    var y = 0
+    <caret>x = x + y + 5
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/multipleOperators.kt.after

@@ -0,0 +1,5 @@
+fun foo() {
+    var x = 0
+    var y = 0
+    x += y + 5
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/multipleOperatorsRightSideRepeat.kt

@@ -0,0 +1,5 @@
+fun foo() {
+    var x = 0
+    var y = 0
+    <caret>x = y + x + 5
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/multipleOperatorsRightSideRepeat.kt.after

@@ -0,0 +1,5 @@
+fun foo() {
+    var x = 0
+    var y = 0
+    x += y + 5
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/nonCommutativeRepeat.kt

@@ -0,0 +1,5 @@
+// PROBLEM: none
+fun foo() {
+    var x = 0
+    x =<caret> x - 1 - 1
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/nonRepeatingAssignment.kt

@@ -0,0 +1,7 @@
+// PROBLEM: none
+fun foo() {
+    var x = 0
+    val y = 0
+    val z = 0
+    <caret>x = y + z
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/plusAssignConflict.kt

@@ -0,0 +1,11 @@
+// PROBLEM: none
+class A
+
+operator fun A.plus(a: A): A = A()
+operator fun A.plusAssign(a: A){}
+
+fun foo() {
+    var a1 = A()
+    val a2 = A()
+    a1 <caret>= a1 + a2
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/rightSideRepeat.kt

@@ -0,0 +1,4 @@
+fun foo() {
+    var x = 0
+    <caret>x = 1 + x
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/rightSideRepeat.kt.after

@@ -0,0 +1,4 @@
+fun foo() {
+    var x = 0
+    x += 1
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/simpleAssign.kt

@@ -0,0 +1,5 @@
+fun foo() {
+    var y = 0
+    val x = 0
+    <caret>y = y + x
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/simpleAssign.kt.after

@@ -0,0 +1,5 @@
+fun foo() {
+    var y = 0
+    val x = 0
+    y += x
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/validSubtraction.kt

@@ -0,0 +1,4 @@
+fun foo() {
+    var x = 0
+    <caret>x = x - 1
+}

idea/testData/inspectionsLocal/replaceWithOperatorAssignment/validSubtraction.kt.after

@@ -0,0 +1,4 @@
+fun foo() {
+    var x = 0
+    x -= 1
+}