clang/test/SemaCXX/ambiguous-conversion-show-overload.cpp

   1 // RUN: not %clang_cc1 -fsyntax-only -fshow-overloads=best -fno-caret-diagnostics %s 2>&1 | FileCheck %s
   2 struct S {
   3   S(void*);
   4   S(char*);
   5   S(unsigned char*);
   6   S(signed char*);
   7   S(unsigned short*);
   8   S(signed short*);
   9   S(unsigned int*);
  10   S(signed int*);
  11 };
  12 void f(const S& s);
  13
  14 // First call to f emits all candidates.  Second call emits just the first 4.
  15 void g() { f(0); }
  16 // CHECK: {{conversion from 'int' to 'const S' is ambiguous}}
  17 // CHECK-NEXT: {{candidate constructor}}
  18 // CHECK-NEXT: {{candidate constructor}}
  19 // CHECK-NEXT: {{candidate constructor}}
  20 // CHECK-NEXT: {{candidate constructor}}
  21 // CHECK-NEXT: {{candidate constructor}}
  22 // CHECK-NEXT: {{candidate constructor}}
  23 // CHECK-NEXT: {{candidate constructor}}
  24 // CHECK-NEXT: {{candidate constructor}}
  25
  26 void h() { f(0); }
  27 // CHECK: {{conversion from 'int' to 'const S' is ambiguous}}
  28 // CHECK-NEXT: {{candidate constructor}}
  29 // CHECK-NEXT: {{candidate constructor}}
  30 // CHECK-NEXT: {{candidate constructor}}
  31 // CHECK-NEXT: {{candidate constructor}}
  32 // CHECK-NEXT: {{remaining 4 candidates omitted; pass -fshow-overloads=all to show them}}