[Bug c++/28901] unable to resolve function overloads involving inheritance

["msebor at gmail dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=28901

--- Comment #3 from Martin Sebor <msebor at gmail dot com> ---
Thanks for the quick patch!  I can confirm it fixes the test case I submitted
but it doesn't seem to help with the LLVM use case.  I still get the same error
-- see below.  Let me see if I can reduce it to a test case.

Breakpoint 1, llvm::LibCallSimplifier::optimizeStrLen (this=0x7fffffff6898,
CI=0x986a2a0, B=...) at
/src/llvm/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp:726
726       if (Value *V = optimizeStringLength(CI, B, 8))
(gdb) p CI
$1 = (llvm::CallInst *) 0x986a2a0
(gdb) p errs()
$2 = (llvm::raw_fd_ostream &) @0x979fe40: {<llvm::raw_pwrite_stream> =
{<llvm::raw_ostream> = {
  ...
(gdb) p (llvm::Value*)CI
$3 = (llvm::Value *) 0x986a2a0
(gdb) p *$3
$4 = {VTy = 0x9862c00, UseList = 0x986a350, SubclassID = 83 'S', 
  ...
(gdb) p $3->print($2, false) 
Cannot resolve method llvm::Value::print to any overloaded instance

(gdb) ptype $3
type = class llvm::Value {
  ...
  public:
    llvm::Value & operator=(const llvm::Value &);
    void deleteValue(void);
    void dump(void) const;
    void print(llvm::raw_ostream &, bool) const;
    void print(llvm::raw_ostream &, llvm::ModuleSlotTracker &, bool) const;
    void printAsOperand(llvm::raw_ostream &, bool, 
    ...

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