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[PATCH] : Demangle PR libstdc++/12600


This fixes an infinite loop that can occur when trying
to demangle certain invalid mangled names.

PR libstdc++/12600
* include/bits/demangle.h (session<Allocator>::
  decode_unqualified_name(string_type& output)): Fail on a
  <operator-name> when decoding <template-argument>.

No new test case was added because for this particular bug
that is ridiculous and would only be a waste of cpu for now
until eternity every time someone runs the testsuite.

Did run demangle testsuite, no errors.
Benjamin - ok to commit?

-- 
Carlo Wood <carlo@alinoe.com>

Attachment: PR12600.diff
Description: Text document


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