[llvm] [llvm-cxxfilt] Add --quote option to quote demangled function names (PR #111871)

[James Henderson via llvm-commits]

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@@ -20,6 +20,7 @@
 #include "llvm/TargetParser/Triple.h"
 #include <cstdlib>
 #include <iostream>
+#include <string>
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jh7370 wrote:

Nit: `std::string` is already used by this file, so adding this seems unnecessary by my reading of the include rules in the style guide.

https://github.com/llvm/llvm-project/pull/111871