[clang] [WebAssembly][Clang] Add __builtin_wasm_ref_is_null_extern (PR #139580)

[Hood Chatham via cfe-commits]

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@@ -168,7 +168,7 @@ bool Sema::checkArgCount(CallExpr *Call, unsigned DesiredArgCount) {
 
   return Diag(Range.getBegin(), diag::err_typecheck_call_too_many_args)
          << 0 /*function call*/ << DesiredArgCount << ArgCount
-         << /*is non object*/ 0 << Call->getArg(1)->getSourceRange();
+         << /*is non object*/ 0 << Range;
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hoodmane wrote:

Should I split this change into a separate PR?

https://github.com/llvm/llvm-project/pull/139580