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[Bug c++/19308] New: Demangle C++ Transactional Memory TS (N4514) symbols


https://sourceware.org/bugzilla/show_bug.cgi?id=19308

            Bug ID: 19308
           Summary: Demangle C++ Transactional Memory TS (N4514) symbols
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: c++
          Assignee: unassigned at sourceware dot org
          Reporter: palves at redhat dot com
  Target Milestone: ---

GCC just gained support for the C++ Extensions for Transactional Memory TS
(N4514 [1]), but GDB doesn't know how to demangle the generated symbols.

E.g.,:

 (gdb) demangle -l c++ _Z1fPDxFvvES0_
 Can't demangle "_Z1fPDxFvvES0_"
 (gdb) 

Should be:

 (gdb) demangle -l c++ _Z1fPDxFvvES0_
 f(void (*)() transaction_safe, void (*)() transaction_safe)
 (gdb) 

[1] - http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4514.pdf

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