[clang] [CIR] Add nothrow attribute to the call operation (PR #145178)

[Sirui Mu via cfe-commits]

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@@ -368,4 +368,34 @@ def CIR_VisibilityAttr : CIR_Attr<"Visibility", "visibility"> {
   }];
 }
 
+//===----------------------------------------------------------------------===//
+// ExtraFuncAttributesAttr
+//===----------------------------------------------------------------------===//
+
+def ExtraFuncAttributesAttr : CIR_Attr<"ExtraFuncAttributes", "extra"> {
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Lancern wrote:

Removed this attribute from the patch, and changed `NothrowAttr` to a `UnitAttr`.

https://github.com/llvm/llvm-project/pull/145178