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* [Bug libstdc++/103917] New: libstdc++-v3/src/c++17/fs_path.cc:74: struct passed by value ?
@ 2022-01-05 10:37 dcb314 at hotmail dot com
  2022-01-05 11:38 ` [Bug libstdc++/103917] " redi at gcc dot gnu.org
  0 siblings, 1 reply; 2+ messages in thread
From: dcb314 at hotmail dot com @ 2022-01-05 10:37 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103917

            Bug ID: 103917
           Summary: libstdc++-v3/src/c++17/fs_path.cc:74: struct passed by
                    value ?
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

cppcheck says:

libstdc++-v3/src/c++17/fs_path.cc:74:28: performance: Function parameter 's'
should be passed by const reference. [passedByValue]

Source code is

  _Parser(string_view_type s, size_t o = 0) : input(s), origin(o) { }

^ permalink raw reply	[flat|nested] 2+ messages in thread

* [Bug libstdc++/103917] libstdc++-v3/src/c++17/fs_path.cc:74: struct passed by value ?
  2022-01-05 10:37 [Bug libstdc++/103917] New: libstdc++-v3/src/c++17/fs_path.cc:74: struct passed by value ? dcb314 at hotmail dot com
@ 2022-01-05 11:38 ` redi at gcc dot gnu.org
  0 siblings, 0 replies; 2+ messages in thread
From: redi at gcc dot gnu.org @ 2022-01-05 11:38 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103917

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
cppcheck is wrong.

https://stackoverflow.com/questions/27256377/c-view-types-pass-by-const-or-by-value
https://quuxplusone.github.io/blog/2021/11/09/pass-string-view-by-value/

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2022-01-05 10:37 [Bug libstdc++/103917] New: libstdc++-v3/src/c++17/fs_path.cc:74: struct passed by value ? dcb314 at hotmail dot com
2022-01-05 11:38 ` [Bug libstdc++/103917] " redi at gcc dot gnu.org

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