Index: clang/lib/Format/WhitespaceManager.cpp
===================================================================
--- clang/lib/Format/WhitespaceManager.cpp
+++ clang/lib/Format/WhitespaceManager.cpp
@@ -1226,6 +1226,7 @@
   if (!CellDescs.isRectangular())
     return;
 
+  const auto BracePadding = Style.Cpp11BracedListStyle ? 0 : 1;
   auto &Cells = CellDescs.Cells;
   // Now go through and fixup the spaces.
   auto *CellIter = Cells.begin();
@@ -1243,7 +1244,7 @@
       do {
         const FormatToken *Previous = Changes[Next->Index].Tok->Previous;
         if (Previous && Previous->isNot(TT_LineComment)) {
-          Changes[Next->Index].Spaces = 0;
+          Changes[Next->Index].Spaces = BracePadding;
           Changes[Next->Index].NewlinesBefore = 0;
         }
         Next = Next->NextColumnElement;
@@ -1276,7 +1277,7 @@
           NetWidth;
       if (Changes[CellIter->Index].NewlinesBefore == 0) {
         Changes[CellIter->Index].Spaces = (CellWidth - (ThisWidth + NetWidth));
-        Changes[CellIter->Index].Spaces += (i > 0) ? 1 : 0;
+        Changes[CellIter->Index].Spaces += (i > 0) ? 1 : BracePadding;
       }
       alignToStartOfCell(CellIter->Index, CellIter->EndIndex);
       for (const auto *Next = CellIter->NextColumnElement; Next;
@@ -1285,7 +1286,7 @@
             calculateCellWidth(Next->Index, Next->EndIndex, true) + NetWidth;
         if (Changes[Next->Index].NewlinesBefore == 0) {
           Changes[Next->Index].Spaces = (CellWidth - ThisWidth);
-          Changes[Next->Index].Spaces += (i > 0) ? 1 : 0;
+          Changes[Next->Index].Spaces += (i > 0) ? 1 : BracePadding;
         }
         alignToStartOfCell(Next->Index, Next->EndIndex);
       }
@@ -1299,12 +1300,13 @@
   if (!CellDescs.isRectangular())
     return;
 
+  const auto BracePadding = Style.Cpp11BracedListStyle ? 0 : 1;
   auto &Cells = CellDescs.Cells;
   // Now go through and fixup the spaces.
   auto *CellIter = Cells.begin();
   // The first cell needs to be against the left brace.
   if (Changes[CellIter->Index].NewlinesBefore == 0)
-    Changes[CellIter->Index].Spaces = 0;
+    Changes[CellIter->Index].Spaces = BracePadding;
   else
     Changes[CellIter->Index].Spaces = CellDescs.InitialSpaces;
   ++CellIter;
@@ -1317,7 +1319,7 @@
     if (Changes[CellIter->Index].NewlinesBefore == 0) {
       Changes[CellIter->Index].Spaces =
           MaxNetWidth - ThisNetWidth +
-          (Changes[CellIter->Index].Tok->isNot(tok::r_brace) ? 1 : 0);
+          (Changes[CellIter->Index].Tok->isNot(tok::r_brace) ? 1 : BracePadding);
     }
     auto RowCount = 1U;
     auto Offset = std::distance(Cells.begin(), CellIter);
@@ -1331,7 +1333,7 @@
       if (Changes[Next->Index].NewlinesBefore == 0) {
         Changes[Next->Index].Spaces =
             MaxNetWidth - ThisNetWidth +
-            (Changes[Next->Index].Tok->isNot(tok::r_brace) ? 1 : 0);
+            (Changes[Next->Index].Tok->isNot(tok::r_brace) ? 1 : BracePadding);
       }
       ++RowCount;
     }
Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -20880,6 +20880,16 @@
                "});\n",
                Style);
 
+  Style.Cpp11BracedListStyle = false;
+  verifyFormat("struct test demo[] = {\n"
+               "  { 56,    23, \"hello\" },\n"
+               "  { -1, 93463, \"world\" },\n"
+               "  {  7,     5,    \"!!\" }\n"
+               "};\n",
+               Style);
+
+  Style.Cpp11BracedListStyle = true;
+
   Style.ColumnLimit = 0;
   EXPECT_EQ(
       "test demo[] = {\n"
@@ -21112,6 +21122,15 @@
                "});\n",
                Style);
 
+  Style.Cpp11BracedListStyle = false;
+  verifyFormat("struct test demo[] = {\n"
+               "  { 56, 23,    \"hello\" },\n"
+               "  { -1, 93463, \"world\" },\n"
+               "  { 7,  5,     \"!!\"    }\n"
+               "};\n",
+               Style);
+  Style.Cpp11BracedListStyle = true;
+
   Style.ColumnLimit = 0;
   EXPECT_EQ(
       "test demo[] = {\n"