[clang] [clang] Fix parenthesized list initialization of arrays not working with `new` (PR #76976)

[Eli Friedman via cfe-commits]

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@@ -1038,11 +1038,14 @@ void CodeGenFunction::EmitNewArrayInitializer(
     return true;
   };
 
+  const InitListExpr *ILE = dyn_cast<InitListExpr>(Init);
+  const CXXParenListInitExpr *CPLIE = dyn_cast<CXXParenListInitExpr>(Init);
+  const StringLiteral *SL = dyn_cast<StringLiteral>(Init);
   // If the initializer is an initializer list, first do the explicit elements.
-  if (const InitListExpr *ILE = dyn_cast<InitListExpr>(Init)) {
+  if (ILE || CPLIE || SL) {
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efriedma-quic wrote:

Sure, but have you tried, for example, `char* x = new char[](__extension__ "asdf");`.  Or in objective-c++ mode, `char* x = new char[](@encode(int));`

https://github.com/llvm/llvm-project/pull/76976