AST: Delete the DeclarationUnavailableFromAsynchronousContext diagnostic group

This group has not shipped yet and was added mainly to support test
coverage for d56b7df. Now that we have
unit tests for this, delete the group, pending discussion.

Author: AnthonyLatsis

include/swift/AST/DiagnosticGroups.def

@@ -25,7 +25,6 @@ GROUP(no_group, "")
 GROUP(DeprecatedDeclaration, "DeprecatedDeclaration.md")
 GROUP(Unsafe, "Unsafe.md")
 GROUP(UnknownWarningGroup, "UnknownWarningGroup.md")
-GROUP(DeclarationUnavailableFromAsynchronousContext, "DeclarationUnavailableFromAsynchronousContext.md")
 
 #define UNDEFINE_DIAGNOSTIC_GROUPS_MACROS
 #include "swift/AST/DefineDiagnosticGroupsMacros.h"

include/swift/AST/DiagnosticsSema.def

@@ -5962,7 +5962,7 @@ ERROR(async_decl_must_be_available_from_async,none,
 ERROR(async_named_decl_must_be_available_from_async,none,
         "asynchronous %kind0 must be available from asynchronous contexts",
         (const ValueDecl *))
-GROUPED_ERROR(async_unavailable_decl,DeclarationUnavailableFromAsynchronousContext,none,
+ERROR(async_unavailable_decl,none,
       "%kindbase0 is unavailable from asynchronous contexts%select{|; %1}1",
       (const ValueDecl *, StringRef))
 

test/attr/attr_availability_noasync.swift

@@ -1,4 +1,4 @@
-// RUN: %target-typecheck-verify-swift -print-diagnostic-groups
+// RUN: %target-typecheck-verify-swift
 
 // REQUIRES: concurrency
 
@@ -27,16 +27,16 @@ actor IOActor {
 
 @available(SwiftStdlib 5.5, *)
 func asyncFunc() async {
-    // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}
+    // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode}}
     basicNoAsync()
 
-    // expected-warning@+1{{global function 'messageNoAsync' is unavailable from asynchronous contexts; a message from the author; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}
+    // expected-warning@+1{{global function 'messageNoAsync' is unavailable from asynchronous contexts; a message from the author; this is an error in the Swift 6 language mode}}
     messageNoAsync()
 
-    // expected-warning@+1{{global function 'renamedNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}{{5-19=asyncReplacement}}
+    // expected-warning@+1{{global function 'renamedNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode}}{{5-19=asyncReplacement}}
     renamedNoAsync() { _ in }
 
-    // expected-warning@+1{{global function 'readStringFromIO' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}{{13-29=IOActor.readString}}
+    // expected-warning@+1{{global function 'readStringFromIO' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode}}{{13-29=IOActor.readString}}
     let _ = readStringFromIO()
 }
 
@@ -76,7 +76,7 @@ func test_defers_sync() {
     }
 
     func local_async_func() async {
-        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}
+        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode}}
         defer { basicNoAsync() }
         _ = ()
     }
@@ -89,7 +89,7 @@ func test_defers_sync() {
 
     // local async closure
     let local_async_closure = { () async -> Void in
-        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}
+        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode}}
         defer { basicNoAsync() }
         _ = ()
     }
@@ -102,7 +102,7 @@ func test_defers_sync() {
 
     var local_async_var: Void {
         get async {
-            // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}
+            // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode}}
             defer { basicNoAsync() }
             return ()
         }
@@ -112,9 +112,9 @@ func test_defers_sync() {
 @available(SwiftStdlib 5.5, *)
 func test_defer_async() async {
     defer {
-        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}
+        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode}}
         defer { basicNoAsync() }
-        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}
+        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode}}
         basicNoAsync()
     }
 
@@ -124,7 +124,7 @@ func test_defer_async() async {
     }
 
     func local_async_func() async {
-        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}
+        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode}}
         defer { basicNoAsync() }
         _ = ()
     }
@@ -136,7 +136,7 @@ func test_defer_async() async {
     _ = local_sync_closure
 
     let local_async_closure = { () async -> Void in
-        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}
+        // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode}}
         defer { basicNoAsync() }
         _ = ()
     }
@@ -149,7 +149,7 @@ func test_defer_async() async {
 
     var local_async_var: Void {
         get async {
-            // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode [DeclarationUnavailableFromAsynchronousContext]}}
+            // expected-warning@+1{{global function 'basicNoAsync' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode}}
             defer { basicNoAsync() }
             return ()
         }