KT-51290 Account for context receivers when generating delegate function bodies

compiler/testData/codegen/box/extensionFunctions/contextReceivers/kt51290.kt

@@ -0,0 +1,40 @@
+// !LANGUAGE: +ContextReceivers
+// TARGET_BACKEND: JVM_IR
+
+data class Language(var name: String)
+
+interface LoggingContext {
+    fun log(level: Int, message: String)
+}
+
+interface SaveRepository<T> {
+    context(LoggingContext)
+    fun save(content: T)
+}
+
+context(LoggingContext, SaveRepository<Language>)
+fun startBusinessOperation() {
+    log(0, "Operation has started")
+    save(Language("Kotlin"))
+}
+
+class CompositeContext(c1: LoggingContext, c2: SaveRepository<Language>): LoggingContext by c1, SaveRepository<Language> by c2
+
+fun box(): String {
+    val loggingCtx = object : LoggingContext {
+        override fun log(level: Int, message: String) {}
+    }
+
+    val saveCtx = object : SaveRepository<Language> {
+        context(LoggingContext)
+        override fun save(content: Language) {
+            log(message = "Saving $content", level = 123)
+        }
+    }
+
+    with(CompositeContext(loggingCtx, saveCtx)) {
+        startBusinessOperation()
+    }
+
+    return "OK"
+}