[llvm-bugs] [Bug 32779] New: add note for where overloaded function types came from

[via llvm-bugs]

http://bugs.llvm.org/show_bug.cgi?id=32779

            Bug ID: 32779
           Summary: add note for where overloaded function types came from
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: nlewycky at google.com
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org

Testcase:
void f(int);
void f(double);

void test() {
  auto fptr = &f;
}

Steps to repro:
$ clang bcs.cc -std=c++11
bcs.cc:5:8: error: variable 'fptr' with type 'auto' has incompatible
initializer
      of type '<overloaded function type>'
  auto fptr = &f;
       ^      ~~
1 error generated.

We should offer a couple notes pointing at a couple overloads. Maybe all the
overloads subject to -fshow-overloads=...

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