Reserve yield if it isn't function call.

compiler/testData/diagnostics/tests/ReserveYield2.kt

@@ -0,0 +1,54 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION -UNREACHABLE_CODE -UNUSED_VARIABLE -WRONG_ANNOTATION_TARGET -UNUSED_LAMBDA_EXPRESSION
+
+// FILE: 1.kt
+
+annotation class yield
+
+fun bar(p: Int) {
+    <!YIELD_IS_RESERVED!>yield<!>@ p
+    `yield`@ p
+
+    @<!YIELD_IS_RESERVED!>yield<!>() p
+    @`yield`() p
+
+    for (yield in 1..5) {
+
+    }
+    { yield: Int -> }
+
+    val (yield) = listOf(4)
+
+}
+
+fun <T> listOf(vararg e: T): List<T> = null!!
+operator fun <T> List<T>.component1() = get(0)
+
+// FILE: 2.kt
+package p3
+
+enum class yield {
+    yield
+}
+
+fun f1(yield: Int, foo: Int = <!YIELD_IS_RESERVED!>yield<!>) {}
+
+fun f2(foo: <!YIELD_IS_RESERVED!>yield<!>) {}
+
+// FILE: 3.kt
+package p4
+
+typealias yield = Number
+
+fun <yield: Number> f1() {}
+fun <y: <!YIELD_IS_RESERVED!>yield<!>> f2() {}
+
+// FILE: 4.kt
+object X {
+    fun yield() {}
+
+    fun test3(yield: Int) {
+        X::<!YIELD_IS_RESERVED!>yield<!>
+
+        <!YIELD_IS_RESERVED!>yield<!>::toInt
+    }
+}