[Bug c++/87406] New: Implement -Wconstant-conversion and -Wbitfield-constant-conversion

marxin at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Sep 24 10:44:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87406

            Bug ID: 87406
           Summary: Implement -Wconstant-conversion and
                    -Wbitfield-constant-conversion
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
            Blocks: 87403
  Target Milestone: ---

It's also from LLVM, one bug that was seen by that:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87396

Example of error message:
implicit conversion from 'int' to 'char' changes value from 132 to -124


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87403
[Bug 87403] Issues that suggest a new warning


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