[NFC] Remove unused parameter to ASTContext::getClangFunctionType.

Author: varungandhi-apple

include/swift/AST/ASTContext.h

@@ -590,13 +590,9 @@ class ASTContext final {
   ///
   /// \param params The function parameters.
   /// \param resultTy The Swift result type.
-  /// \param incompleteExtInfo Used to convey escaping and throwing
-  ///                          information, in case it is needed.
   /// \param trueRep The actual calling convention, which must be C-compatible.
-  ///                The calling convention in \p incompleteExtInfo is ignored.
   const clang::Type *
   getClangFunctionType(ArrayRef<AnyFunctionType::Param> params, Type resultTy,
-                       const FunctionType::ExtInfo incompleteExtInfo,
                        FunctionTypeRepresentation trueRep);
 
   /// Get the Swift declaration that a Clang declaration was exported from,

lib/AST/ASTContext.cpp

@@ -4446,7 +4446,6 @@ Type ASTContext::getBridgedToObjC(const DeclContext *dc, Type type,
 const clang::Type *
 ASTContext::getClangFunctionType(ArrayRef<AnyFunctionType::Param> params,
                                  Type resultTy,
-                                 FunctionType::ExtInfo incompleteExtInfo,
                                  FunctionTypeRepresentation trueRep) {
   auto &impl = getImpl();
   if (!impl.Converter) {

lib/AST/ASTDemangler.cpp

@@ -407,7 +407,6 @@ Type ASTBuilder::createFunctionType(
   const clang::Type *clangFunctionType = nullptr;
   if (representation == FunctionTypeRepresentation::CFunctionPointer)
     clangFunctionType = Ctx.getClangFunctionType(funcParams, output,
-                                                 incompleteExtInfo,
                                                  representation);
 
   auto einfo = incompleteExtInfo.withRepresentation(representation)

lib/Sema/TypeCheckType.cpp

@@ -2680,8 +2680,7 @@ Type TypeResolver::resolveASTFunctionType(
   if (representation == AnyFunctionType::Representation::CFunctionPointer
       && !clangFnType)
     clangFnType = Context.getClangFunctionType(
-      params, outputTy, incompleteExtInfo,
-      AnyFunctionType::Representation::CFunctionPointer);
+        params, outputTy, AnyFunctionType::Representation::CFunctionPointer);
 
   auto extInfo = incompleteExtInfo.withRepresentation(representation)
                                   .withAsync(repr->async())