Frontend: Obsolete -fixit-all and -emit-fixits-path

include/swift/AST/DiagnosticsFrontend.def

@@ -193,6 +193,8 @@ ERROR(cannot_emit_ir_skipping_function_bodies,none,
 WARNING(emit_reference_dependencies_without_primary_file,none,
         "ignoring -emit-reference-dependencies (requires -primary-file)", ())
 
+WARNING(ignoring_option_obsolete,none,
+        "ignoring '%0'; this option is obsolete", (StringRef))
 WARNING(ignoring_option_requires_option,none,
         "ignoring %0 (requires %1)", (StringRef, StringRef))
 WARNING(warn_ignore_option_overriden_by,none,

lib/Frontend/ArgsToFrontendOutputsConverter.cpp

@@ -317,8 +317,6 @@ SupplementaryOutputPathsComputer::getSupplementaryOutputPathsFromArguments()
       options::OPT_emit_reference_dependencies_path);
   auto serializedDiagnostics = getSupplementaryFilenamesFromArguments(
       options::OPT_serialize_diagnostics_path);
-  auto fixItsOutput = getSupplementaryFilenamesFromArguments(
-      options::OPT_emit_fixits_path);
   auto loadedModuleTrace = getSupplementaryFilenamesFromArguments(
       options::OPT_emit_loaded_module_trace_path);
   auto TBD = getSupplementaryFilenamesFromArguments(options::OPT_emit_tbd_path);
@@ -343,7 +341,7 @@ SupplementaryOutputPathsComputer::getSupplementaryOutputPathsFromArguments()
       options::OPT_save_optimization_record_path);
   if (!clangHeaderOutput || !moduleOutput || !moduleDocOutput ||
       !dependenciesFile || !referenceDependenciesFile ||
-      !serializedDiagnostics || !fixItsOutput || !loadedModuleTrace || !TBD ||
+      !serializedDiagnostics || !loadedModuleTrace || !TBD ||
       !moduleInterfaceOutput || !privateModuleInterfaceOutput || !packageModuleInterfaceOutput ||
       !moduleSourceInfoOutput || !moduleSummaryOutput || !abiDescriptorOutput ||
       !moduleSemanticInfoOutput || !optRecordOutput) {
@@ -361,7 +359,6 @@ SupplementaryOutputPathsComputer::getSupplementaryOutputPathsFromArguments()
     sop.DependenciesFilePath = (*dependenciesFile)[i];
     sop.ReferenceDependenciesFilePath = (*referenceDependenciesFile)[i];
     sop.SerializedDiagnosticsPath = (*serializedDiagnostics)[i];
-    sop.FixItsOutputPath = (*fixItsOutput)[i];
     sop.LoadedModuleTracePath = (*loadedModuleTrace)[i];
     sop.TBDPath = (*TBD)[i];
     sop.ModuleInterfaceOutputPath = (*moduleInterfaceOutput)[i];

lib/Frontend/CompilerInvocation.cpp

@@ -2548,7 +2548,20 @@ static bool ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
       Opts.EmitMacroExpansionFiles = !negated;
   }
 
-  Opts.FixitCodeForAllDiagnostics |= Args.hasArg(OPT_fixit_all);
+  {
+    OptSpecifier obsoleteOpts[] = {
+      OPT_fixit_all,
+      OPT_emit_fixits_path,
+    };
+
+    for (auto option: obsoleteOpts) {
+      if (auto *arg = Args.getLastArg(option)) {
+        Diags.diagnose(SourceLoc(), diag::ignoring_option_obsolete,
+                       arg->getOption().getPrefixedName());
+      }
+    }
+  }
+
   Opts.SuppressWarnings |= Args.hasArg(OPT_suppress_warnings);
   Opts.SuppressRemarks |= Args.hasArg(OPT_suppress_remarks);
   for (const Arg *arg : Args.filtered(OPT_warning_treating_Group)) {

test/CMakeLists.txt

@@ -114,8 +114,6 @@ function(get_test_dependencies SDK result_var_name)
 
   if(NOT SWIFT_BUILT_STANDALONE)
     list(APPEND deps_binaries
-      arcmt-test
-      c-arcmt-test
       c-index-test
       CASPluginTest
       clang

test/Constraints/argument_matching.swift

@@ -1821,3 +1821,12 @@ struct Issue75527 {
     fn(0) // Make sure the argument label does not escape here.
   }
 }
+
+do {
+  func f(p: Int, _: String) {}
+  // FIXME: Wrong expected argument type.
+  // expected-error@+2:5 {{cannot convert value of type 'Int' to expected argument type 'String'}}
+  // expected-error@+1:8 {{cannot convert value of type 'String' to expected argument type 'Int'}}
+  f(0, "")
+  // expected-error@-1:4 {{missing argument label 'p:' in call}}{{5-5=p: }}
+}

test/Constraints/bridging.swift

@@ -367,6 +367,28 @@ func forceUniversalBridgeToAnyObject<T, U: KnownClassProtocol>(a: T, b: U, c: An
   _ = z
 }
 
+do {
+  func f(an : Any, oan: Any?) -> AnyObject? {
+    let a1 : AnyObject
+    a1 = an
+    // expected-error@-1:8 {{value of type 'Any' expected to be an instance of a class or class-constrained type in assignment}}{{none}}
+    // expected-note@-2:8 {{cast 'Any' to 'AnyObject' or use 'as!' to force downcast to a more specific type to access members}}{{12-12= as AnyObject}}
+    let a2 : AnyObject?
+    a2 = an
+    // expected-error@-1:10 {{value of type 'Any' expected to be an instance of a class or class-constrained type in assignment}}{{12-12= as AnyObject}}
+    let a3 : AnyObject!
+    a3 = an
+    // expected-error@-1:10 {{value of type 'Any' expected to be an instance of a class or class-constrained type in assignment}}{{12-12= as AnyObject}}
+
+    let obj: AnyObject = an
+    // expected-error@-1:26 {{value of type 'Any' expected to be instance of class or class-constrained type}}{{none}}
+    // expected-note@-2:26 {{cast 'Any' to 'AnyObject' or use 'as!' to force downcast to a more specific type to access members}}{{28-28= as AnyObject}}
+
+    return oan
+    // expected-error@-1:12 {{return expression of type 'Any' expected to be an instance of a class or class-constrained type}}{{15-15= as AnyObject}}
+  }
+}
+
 func bridgeAnyContainerToAnyObject(x: [Any], y: [NSObject: Any]) {
   var z: AnyObject
   z = x as AnyObject

test/FixCode/fixit-all.swift

@@ -0,0 +1,5 @@
+// RUN: %empty-directory(%t)
+// RUN: %target-swift-frontend -typecheck -fixit-all -emit-fixits-path %t.remap %s 2>&1 | %FileCheck %s
+
+// CHECK: <unknown>:0: warning: ignoring '-fixit-all'; this option is obsolete
+// CHECK: <unknown>:0: warning: ignoring '-emit-fixits-path'; this option is obsolete