diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
--- a/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -1460,6 +1460,11 @@
 
       nextToken();
       if (FormatTok->Tok.is(tok::l_brace)) {
+        // Block kind should probably be set to BK_BracedInit for any language.
+        // C# needs this change to ensure that array initialisers and object
+        // initialisers are indented the same way.
+        if (Style.isCSharp())
+          FormatTok->BlockKind = BK_BracedInit;
         nextToken();
         parseBracedList();
       } else if (Style.Language == FormatStyle::LK_Proto &&
@@ -1652,7 +1657,7 @@
 bool UnwrappedLineParser::parseBracedList(bool ContinueOnSemicolons,
                                           tok::TokenKind ClosingBraceKind) {
   bool HasError = false;
-
+  
   // FIXME: Once we have an expression parser in the UnwrappedLineParser,
   // replace this by using parseAssigmentExpression() inside.
   do {
diff --git a/clang/unittests/Format/FormatTestCSharp.cpp b/clang/unittests/Format/FormatTestCSharp.cpp
--- a/clang/unittests/Format/FormatTestCSharp.cpp
+++ b/clang/unittests/Format/FormatTestCSharp.cpp
@@ -562,6 +562,17 @@
                Style);
 }
 
+TEST_F(FormatTestCSharp, CSharpArrayInitializers) {
+  FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp);
+  
+  verifyFormat(R"(//
+private MySet<Node>[] setPoints = {
+  new Point<Node>(),
+  new Point<Node>(),
+};)",
+               Style);
+}
+
 TEST_F(FormatTestCSharp, CSharpNamedArguments) {
   FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp);