Point at diagnostic group documentation on docs.swift.org

Author: DougGregor

lib/Frontend/CompilerInvocation.cpp

@@ -2636,7 +2636,7 @@ static void configureDiagnosticEngine(
   std::string docsPath = Options.DiagnosticDocumentationPath;
   if (docsPath.empty()) {
     // Point at the latest Markdown documentation on GitHub.
-    docsPath = "https://github.com/swiftlang/swift/tree/main/userdocs/diagnostics";
+    docsPath = "https://docs.swift.org/compiler/documentation/diagnostics";
   }
   Diagnostics.setDiagnosticDocumentationPath(docsPath);
 

test/diagnostics/diagnostic-group-serialization.swift

@@ -10,7 +10,7 @@ func f() { }
 
 func g() {
   f()
-// CHECK: [[@LINE-1]]:3: warning: 'f()' is deprecated: please do not use [-W{{.*}}deprecated-declaration.md] [DeprecatedDeclaration]
+// CHECK: [[@LINE-1]]:3: warning: 'f()' is deprecated: please do not use [-W{{.*}}deprecated-declaration] [DeprecatedDeclaration]
 }
 
 
@@ -19,7 +19,7 @@ func beCareful() { }
 
 func test() {
   beCareful()
-// CHECK: [[@LINE-1]]:3: warning: expression uses unsafe constructs but is not marked with 'unsafe' [-W{{.*}}strict-memory-safety.md] [StrictMemorySafety]
+// CHECK: [[@LINE-1]]:3: warning: expression uses unsafe constructs but is not marked with 'unsafe' [-W{{.*}}strict-memory-safety] [StrictMemorySafety]
 }
 
-// CHECK: [StrictMemorySafety]: <{{.*}}strict-memory-safety.md>
+// CHECK: [StrictMemorySafety]: <{{.*}}strict-memory-safety>

test/diagnostics/educational_notes_serialization.swift

@@ -7,13 +7,13 @@
 
 typealias Fn = () -> ()
 extension Fn {}
-// CHECK: [[@LINE-1]]:1: error: non-nominal type 'Fn' (aka '() -> ()') cannot be extended [{{.*}}nominal-types.md] [NominalTypes]
+// CHECK: [[@LINE-1]]:1: error: non-nominal type 'Fn' (aka '() -> ()') cannot be extended [{{.*}}nominal-types] [NominalTypes]
 
 
 // Shares the flag record with `Fn`
 typealias Dup = () -> ()
 extension Dup {}
-// CHECK: [[@LINE-1]]:1: error: non-nominal type 'Dup' (aka '() -> ()') cannot be extended [{{.*}}nominal-types.md] [NominalTypes]
+// CHECK: [[@LINE-1]]:1: error: non-nominal type 'Dup' (aka '() -> ()') cannot be extended [{{.*}}nominal-types] [NominalTypes]
 
 do {
   func noNote(_: Int) {}

test/diagnostics/print-diagnostic-groups.swift

@@ -1,5 +1,5 @@
 // RUN: %target-swift-frontend -typecheck %s 2>&1 | %FileCheck %s --check-prefix=CHECK-FILE -check-prefix CHECK
-// RUN: %target-swift-frontend -typecheck %s -diagnostic-documentation-path https://www.swift.org/documentation/compiler/diagnostics/ 2>&1 | %FileCheck %s --check-prefix=CHECK-HTTPS -check-prefix CHECK
+// RUN: %target-swift-frontend -typecheck %s -diagnostic-documentation-path https://docs.swift.org/compiler/documentation/diagnostics/ 2>&1 | %FileCheck %s --check-prefix=CHECK-HTTPS -check-prefix CHECK
 // REQUIRES: swift_swift_parser
 
 // CHECK: warning: file 'print-diagnostic-groups.swift' is part of module 'main'; ignoring import{{$}}
@@ -16,4 +16,4 @@ bar()
 
 // CHECK-FILE: [#DeprecatedDeclarations]: <file://{{.*}}deprecated-declaration.md>
 
-// CHECK-HTTPS: [#DeprecatedDeclaration]: <https://www.swift.org/documentation/compiler/diagnostics/deprecated-declaration.md>
+// CHECK-HTTPS: [#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>