[clang] [Clang] Add '-Warray-compare' flag for C++ below version 20 (PR #118031)

[Erich Keane via cfe-commits]

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@@ -702,6 +702,7 @@ def GNUStatementExpressionFromMacroExpansion :
 def GNUStatementExpression : DiagGroup<"gnu-statement-expression",
                                        [GNUStatementExpressionFromMacroExpansion]>;
 def StringConcatation : DiagGroup<"string-concatenation">;
+def ArrayCompare : DiagGroup<"array-compare">;
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erichkeane wrote:

Remove this please

https://github.com/llvm/llvm-project/pull/118031