Remove -suppress-argument-labels-in-types; it's dead.

include/swift/Basic/LangOptions.h

@@ -92,9 +92,6 @@ namespace swift {
     /// was not compiled with -enable-testing.
     bool EnableTestableAttrRequiresTestableModule = true;
 
-    /// Whether to implement SE-0111, the removal of argument labels in types.
-    bool SuppressArgumentLabelsInTypes = false;
-
     ///
     /// Flags for developers
     ///

include/swift/Option/FrontendOptions.td

@@ -94,10 +94,6 @@ def disable_testable_attr_requires_testable_module :
   Flag<["-"], "disable-testable-attr-requires-testable-module">,
   HelpText<"Disable checking of @testable">;
 
-def suppress_argument_labels_in_types :
-  Flag<["-"], "suppress-argument-labels-in-types">,
-  HelpText<"SE-0111: Suppress argument labels in types">;
-
 def enable_target_os_checking :
   Flag<["-"], "enable-target-os-checking">,
   HelpText<"Enable checking the target OS of serialized modules">;

lib/Frontend/CompilerInvocation.cpp

@@ -789,9 +789,6 @@ static bool ParseLangArgs(LangOptions &Opts, ArgList &Args,
       = A->getOption().matches(OPT_enable_testable_attr_requires_testable_module);
   }
 
-  Opts.SuppressArgumentLabelsInTypes |=
-    Args.hasArg(OPT_suppress_argument_labels_in_types);
-
   if (const Arg *A = Args.getLastArg(OPT_debug_constraints_attempt)) {
     unsigned attempt;
     if (StringRef(A->getValue()).getAsInteger(10, attempt)) {

test/SILGen/argument_labels.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -emit-silgen -suppress-argument-labels-in-types %s | %FileCheck %s
+// RUN: %target-swift-frontend -emit-silgen %s | %FileCheck %s
 
 public struct X { }
 public struct Y { }

test/SILGen/generic_closures.swift

@@ -1,5 +1,4 @@
 // RUN: %target-swift-frontend -parse-stdlib -emit-silgen %s | %FileCheck %s
-// RUN: %target-swift-frontend -parse-stdlib -emit-silgen -suppress-argument-labels-in-types %s | %FileCheck %s
 
 import Swift
 

test/SILGen/partial_apply_init.swift

@@ -1,5 +1,4 @@
 // RUN: %target-swift-frontend -emit-silgen %s | %FileCheck %s
-// RUN: %target-swift-frontend -emit-silgen -suppress-argument-labels-in-types %s | %FileCheck %s
 
 class C {
   init(x: Int) {}

test/SILGen/protocol_extensions.swift

@@ -1,5 +1,4 @@
 // RUN: %target-swift-frontend -disable-objc-attr-requires-foundation-module -emit-silgen %s | %FileCheck %s
-// RUN: %target-swift-frontend -disable-objc-attr-requires-foundation-module -emit-silgen -suppress-argument-labels-in-types %s | %FileCheck %s
 
 public protocol P1 {
   func reqP1a()

test/Sema/suppress-argument-labels-in-types.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -module-name TestModule -parse -verify -suppress-argument-labels-in-types %s
+// RUN: %target-swift-frontend -module-name TestModule -parse -verify %s
 
 // Test non-overloaded global function references.
 func f1(a: Int, b: Int) -> Int { }

test/type/function/labels.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -module-name TestModule -parse -verify -suppress-argument-labels-in-types %s
+// RUN: %target-swift-frontend -module-name TestModule -parse -verify %s
 
 // Function type with various forms of argument label.
 typealias Function1 = (a: Int,   // expected-error{{function types cannot have argument label 'a'; use '_' instead}}{{24-24=_ }}

test/type/tuple/labels.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -module-name TestModule -parse -verify -suppress-argument-labels-in-types %s
+// RUN: %target-swift-frontend -module-name TestModule -parse -verify %s
 
 typealias Tuple1 = (a: Int,
                     b _: Int, // expected-error{{tuple element cannot have two labels}}{{22-24=}}