[Symbolize] Handle error after the notes loop

We always have to check the error, even if we're going to ignore it.
diff --git a/llvm/lib/DebugInfo/Symbolize/Symbolize.cpp b/llvm/lib/DebugInfo/Symbolize/Symbolize.cpp
index 35e3ead..ebb4a0c 100644
--- a/llvm/lib/DebugInfo/Symbolize/Symbolize.cpp
+++ b/llvm/lib/DebugInfo/Symbolize/Symbolize.cpp
@@ -300,6 +300,7 @@
     for (auto N : Obj->notes(P, Err))
       if (N.getType() == ELF::NT_GNU_BUILD_ID && N.getName() == ELF::ELF_NOTE_GNU)
         return N.getDesc();
+    consumeError(std::move(Err));
   }
   return {};
 }