Fix real problem

Author: XDeme1

clang/lib/Format/WhitespaceManager.cpp

@@ -1455,8 +1455,11 @@ WhitespaceManager::CellDescriptions WhitespaceManager::getCells(unsigned Start,
         if (!Cells.empty())
           Cells.back().EndIndex = i;
         Cells.push_back(CellDescription{i, ++Cell, i + 1, false, nullptr});
-        CellCounts.push_back(C.Tok->Previous->isNot(tok::comma) ? Cell + 1
-                                                                : Cell);
+        CellCounts.push_back(
+            C.Tok->Previous->isNot(tok::comma) &&
+                    !MatchingParen->MatchingParen->Previous->is(tok::equal)
+                ? Cell + 1
+                : Cell);
         // Go to the next non-comment and ensure there is a break in front
         const auto *NextNonComment = C.Tok->getNextNonComment();
         while (NextNonComment->is(tok::comma))

clang/unittests/Format/FormatTest.cpp

@@ -20847,6 +20847,11 @@ TEST_F(FormatTest, CatchAlignArrayOfStructuresRightAlignment) {
                 "    [1] { 1, },\n"
                 "};",
                 Style);
+  verifyNoCrash("Foo foo[] = {\n"
+                "    [0] = {1, 1},\n"
+                "    [1] { 1, 1, },\n"
+                "    [2] { 1, 1, },\n"
+                "};");
 
   verifyFormat("return GradForUnaryCwise(g, {\n"
                "                                {{\"sign\"}, \"Sign\",  "
@@ -21095,6 +21100,11 @@ TEST_F(FormatTest, CatchAlignArrayOfStructuresLeftAlignment) {
                 "    [1] { 1, },\n"
                 "};",
                 Style);
+  verifyNoCrash("Foo foo[] = {\n"
+                "    [0] = {1, 1},\n"
+                "    [1] { 1, 1, },\n"
+                "    [2] { 1, 1, },\n"
+                "};");
 
   verifyFormat("return GradForUnaryCwise(g, {\n"
                "                                {{\"sign\"}, \"Sign\", {\"x\", "