[LLVMbugs] [Bug 8328] New: Unable to call method of incomplete class

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Oct 7 07:33:27 PDT 2010


           Summary: Unable to call method of incomplete class
           Product: clang
           Version: trunk
          Platform: Other
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: yuri at tsoft.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com

Testcase below fails with the message: error: cannot dereference pointer into
incomplete class type 'D'

This is wrong. There is no problem in calling such method at all since the
class itself isn't used in the process.

Such pattern may be used by various projects and should compile fine. It works
in gcc.


--- testcase ---
class D;
typedef void (D::*Fn)();

void f(D *d, Fn fn) {

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