[clang] [CIR] Add support for constructor aliases (PR #145792)

[Bruno Cardoso Lopes via cfe-commits]

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@@ -1772,7 +1772,8 @@ def FuncOp : CIR_Op<"func", [
                        OptionalAttr<StrAttr>:$sym_visibility,
                        UnitAttr:$comdat,
                        OptionalAttr<DictArrayAttr>:$arg_attrs,
-                       OptionalAttr<DictArrayAttr>:$res_attrs);
+                       OptionalAttr<DictArrayAttr>:$res_attrs,
+                       OptionalAttr<FlatSymbolRefAttr>:$aliasee);
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bcardosolopes wrote:

Can you add a cir to cir test to exercise the parser?

https://github.com/llvm/llvm-project/pull/145792