================
@@ -1444,16 +1444,26 @@ WhitespaceManager::CellDescriptions
WhitespaceManager::getCells(unsigned Start,
} else if (C.Tok->is(tok::comma)) {
if (!Cells.empty())
Cells.back().EndIndex = i;
- if (C.Tok->getNextNonComment()->isNot(tok::r_brace)) // dangling comma
+
+ if (const auto *Next = C.Tok->getNextNonComment();
+ Next && Next->isNot(tok::r_brace)) { // Dangling comma.
++Cell;
+ }
}
} else if (Depth == 1) {
if (C.Tok == MatchingParen) {
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) &&
+ // When dealing with C array designators. There is a
+ // possibility of some nested array not having an `=`.
+ // When this happens we make the cells non rectangular,
+ // avoiding an access out of bound later on.
+ MatchingParen->MatchingParen->Previous->isNot(tok::equal)
----------------
XDeme wrote:
I've investigated a bit more, and I found that we were actually parsing
`[0] {};` as a lambda, instead of a designated initializer
https://github.com/llvm/llvm-project/pull/77045
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