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  1. Core Server
  2. SERVER-23444

Pessimizing moves break compile on clang 3.7+ (expression_tree.h)

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Blocker - P1
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.3.4
    • Component/s: Querying
    • Labels:
      None
    • Backwards Compatibility:
      Fully Compatible
    • Operating System:
      ALL
    • Sprint:
      Query 12 (04/04/16)

      Description

      Since changing src/mongo/db/matcher/expression_tree.h, we now get errors during compilation, on clang 3.7+.

      src/mongo/db/matcher/expression_tree.h:71:16: error: moving a local object in a return statement prevents copy elision [-Werror,-Wpessimizing-move]

        Attachments

          Issue Links

          related to

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-20506 Conditionally order $match with $unwind

          • Major - P3 - Major loss of function.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-21290 remove pessimizing moves

          • Major - P3 - Major loss of function.
          • Closed

            Activity

              People

              Assignee:
              benjamin.murphy Benjamin Murphy
              Reporter:
              scotthernandez Scott Hernandez
              Participants:
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                Dates

                Created:
                Updated:
                Resolved: