1; RUN: llvm-undname < %s | FileCheck %s 2 3; CHECK-NOT: Invalid mangled name 4 5??__LA@@QEAA?AUno_suspend@@XZ 6; CHECK: struct no_suspend __cdecl A::operator co_await(void) 7 8??__MS@@QEAA?AVstrong_ordering@std@@AEBU0@@Z' 9; CHECK: class std::strong_ordering __cdecl S::operator<=>(struct S const &) 10 11?f@@YAX_Q@Z 12; CHECK: void __cdecl f(char8_t) 13