cpp demangling check for demangling error #9756
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chobermaier
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alexcrichton
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The use of cpp_demangle in
crates/environ/src/demangling.rsmissed a check if demangling would actually succeed.This PR's wraps the use of cpp_demangle with an explicitly call of demangle and can therefore check its Result.
The current implicit demangle call did not check this result. In some cases this lead to failed unwrapping in instantiate.rs.
Closes #9753