[LLVMbugs] [Bug 17563] New: Member function pointer related error message could be improved

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=17563

            Bug ID: 17563
           Summary: Member function pointer related error message could be
                    improved
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: cib123 at googlemail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 11366
  --> http://llvm.org/bugs/attachment.cgi?id=11366&action=edit
Test case for error message

If you compile the attached file with "clang++ test.cpp", the error message is
this:

test.cpp:10:35: error: called object type 'void (Foo::*)()' is not a function
or function pointer

This confused me, since to someone who isn't a C++ expert, "member function
pointer" isn't fundamentally different from "function pointer". Could the error
message maybe be changed to check if the called thing is a member function
pointer, and if so, complain more specifically that the member function pointer
is being called directly, without first binding it to an instance?

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