Support explicit this receiver (this.foo()) for RestrictSuspension function call.

compiler/testData/diagnostics/tests/coroutines/restrictSuspension/sameInstance.kt

@@ -14,22 +14,40 @@ fun test() {
         member()
         extension()
 
-        // todo
-        this.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>member<!>()
-        this.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>extension<!>()
+        this.member()
+        this.extension()
 
         val foo = this
         foo.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>member<!>()
         foo.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>extension<!>()
 
-        // todo
-        this@l.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>member<!>()
-        this@l.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>extension<!>()
+        this@l.member()
+        this@l.extension()
 
         with(1) {
-            // todo
-            this@l.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>member<!>()
-            this@l.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>extension<!>()
+            this@l.member()
+            this@l.extension()
         }
     }
+}
+
+suspend fun RestrictedController.l() {
+    member()
+    extension()
+
+    this.member()
+    this.extension()
+
+    val foo = this
+    foo.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>member<!>()
+    foo.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>extension<!>()
+
+    this@l.member()
+    this@l.extension()
+
+    with(1) {
+        this@l.member()
+        this@l.extension()
+    }
+
 }

compiler/testData/diagnostics/tests/coroutines/restrictSuspension/sameInstance.txt

@@ -3,6 +3,7 @@ package
 public fun generate(/*0*/ f: suspend RestrictedController.() -> kotlin.Unit): kotlin.Unit
 public fun test(): kotlin.Unit
 public suspend fun RestrictedController.extension(): kotlin.Unit
+public suspend fun RestrictedController.l(): kotlin.Unit
 
 @kotlin.coroutines.RestrictSuspension public final class RestrictedController {
     public constructor RestrictedController()