[llvm] [Debuginfo] add debuginfod factory method (PR #154633)

[Daniel Thornburgh via llvm-commits]

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@@ -587,8 +587,11 @@ DebuginfodServer::DebuginfodServer(DebuginfodLog &Log,
           return;
         }
         streamFile(Request, *PathOrErr);
-      }));
-  cantFail(
+      });
+  if (Errd) {
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mysterymath wrote:

LLVM style generally requires no braces around single-statement control flow.

https://github.com/llvm/llvm-project/pull/154633