3 files changed, 14 insertions, 23 deletions
diff --git a/clang/lib/Parse/ParseStmt.cpp b/clang/lib/Parse/ParseStmt.cpp
index b03891082f4..3b6a2656099 100644
--- a/clang/lib/Parse/ParseStmt.cpp
+++ b/clang/lib/Parse/ParseStmt.cpp
@@ -2394,8 +2394,7 @@ Decl *Parser::ParseFunctionStatementBody(Decl *Decl, ParseScope &BodyScope) {
   // If the function body could not be parsed, make a bogus compoundstmt.
   if (FnBody.isInvalid()) {
     Sema::CompoundScopeRAII CompoundScope(Actions);
-    FnBody = Actions.ActOnCompoundStmt(LBraceLoc, LBraceLoc,
-                                       MultiStmtArg(), false);
+    FnBody = Actions.ActOnCompoundStmt(LBraceLoc, LBraceLoc, None, false);
   }
 
   BodyScope.Exit();
@@ -2432,8 +2431,7 @@ Decl *Parser::ParseFunctionTryBlock(Decl *Decl, ParseScope &BodyScope) {
   // compound statement as the body.
   if (FnBody.isInvalid()) {
     Sema::CompoundScopeRAII CompoundScope(Actions);
-    FnBody = Actions.ActOnCompoundStmt(LBraceLoc, LBraceLoc,
-                                       MultiStmtArg(), false);
+    FnBody = Actions.ActOnCompoundStmt(LBraceLoc, LBraceLoc, None, false);
   }
 
   BodyScope.Exit();
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index b4b834021ab..528396d5598 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -9798,13 +9798,11 @@ void Sema::DefineImplicitCopyConstructor(SourceLocation CurrentLocation,
     CopyConstructor->setInvalidDecl();
   }  else {
     Sema::CompoundScopeRAII CompoundScope(*this);
-    CopyConstructor->setBody(ActOnCompoundStmt(CopyConstructor->getLocation(),
-                                               CopyConstructor->getLocation(),
-                                               MultiStmtArg(),
-                                               /*isStmtExpr=*/false)
-                                                              .takeAs<Stmt>());
+    CopyConstructor->setBody(ActOnCompoundStmt(
+        CopyConstructor->getLocation(), CopyConstructor->getLocation(), None,
+        /*isStmtExpr=*/ false).takeAs<Stmt>());
   }
-  
+
   CopyConstructor->setUsed();
   if (ASTMutationListener *L = getASTMutationListener()) {
     L->CompletedImplicitDefinition(CopyConstructor);
@@ -9987,11 +9985,9 @@ void Sema::DefineImplicitMoveConstructor(SourceLocation CurrentLocation,
     MoveConstructor->setInvalidDecl();
   }  else {
     Sema::CompoundScopeRAII CompoundScope(*this);
-    MoveConstructor->setBody(ActOnCompoundStmt(MoveConstructor->getLocation(),
-                                               MoveConstructor->getLocation(),
-                                               MultiStmtArg(),
-                                               /*isStmtExpr=*/false)
-                                                              .takeAs<Stmt>());
+    MoveConstructor->setBody(ActOnCompoundStmt(
+        MoveConstructor->getLocation(), MoveConstructor->getLocation(), None,
+        /*isStmtExpr=*/ false).takeAs<Stmt>());
   }
 
   MoveConstructor->setUsed();
diff --git a/clang/lib/Sema/SemaStmt.cpp b/clang/lib/Sema/SemaStmt.cpp
index 87e7e03b847..5b21c93426b 100644
--- a/clang/lib/Sema/SemaStmt.cpp
+++ b/clang/lib/Sema/SemaStmt.cpp
@@ -291,11 +291,10 @@ sema::CompoundScopeInfo &Sema::getCurCompoundScope() const {
   return getCurFunction()->CompoundScopes.back();
 }
 
-StmtResult
-Sema::ActOnCompoundStmt(SourceLocation L, SourceLocation R,
-                        MultiStmtArg elts, bool isStmtExpr) {
-  unsigned NumElts = elts.size();
-  Stmt **Elts = elts.data();
+StmtResult Sema::ActOnCompoundStmt(SourceLocation L, SourceLocation R,
+                                   ArrayRef<Stmt *> Elts, bool isStmtExpr) {
+  const unsigned NumElts = Elts.size();
+
   // If we're in C89 mode, check that we don't have any decls after stmts.  If
   // so, emit an extension diagnostic.
   if (!getLangOpts().C99 && !getLangOpts().CPlusPlus) {
@@ -332,9 +331,7 @@ Sema::ActOnCompoundStmt(SourceLocation L, SourceLocation R,
       DiagnoseEmptyLoopBody(Elts[i], Elts[i + 1]);
   }
 
-  return Owned(new (Context) CompoundStmt(Context,
-                                          llvm::makeArrayRef(Elts, NumElts),
-                                          L, R));
+  return Owned(new (Context) CompoundStmt(Context, Elts, L, R));
 }
 
 StmtResult