[LLVMbugs] [Bug 9058] New: warn on pointless qualifiers with fixit to remove them

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=9058

           Summary: warn on pointless qualifiers with fixit to remove them
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: nlewycky at google.com
                CC: llvmbugs at cs.uiuc.edu


We'd like a warning on the qualifier in code like:

  bool const f();
  void f(const int x);

with fixit to remove the dead qualifier. The one use case we want to not break
is:

  void f(int *ptr);
  void f(int * const ptr) {
    *ptr++;  // the const prevents the typo "ptr++;"
  }

I'm proposing the warning name -Wpointless-qualifier.

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