compiler-explorer/test/demangle-cases/bug-978.asm.demangle

D::a():
  push rbp
  mov rbp, rsp
  mov QWORD PTR [rbp-8], rdi
  mov eax, 1
  pop rbp
  ret
D::abc():
  push rbp
  mov rbp, rsp
  mov QWORD PTR [rbp-8], rdi
  mov eax, 1
  pop rbp
  ret
C::a():
  push rbp
  mov rbp, rsp
  mov QWORD PTR [rbp-8], rdi
  mov eax, 1
  pop rbp
  ret