clang/test/SemaCXX/err_reference_bind_drops_quals.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 #define restrict __restrict__
   4 typedef int* ptr;
   5 void test1(ptr p, const ptr cp, restrict ptr rp, const restrict ptr crp,
   6            volatile ptr vp, const volatile ptr cvp, restrict volatile ptr rvp,
   7            const restrict volatile ptr crvp) {
   8   ptr& p1 = p;
   9   ptr& p2 = cp;   // expected-error {{drops 'const' qualifier}}
  10   ptr& p3 = rp;   // expected-error {{drops '__restrict' qualifier}}
  11   ptr& p4 = crp;  // expected-error {{drops 'const __restrict' qualifiers}}
  12   ptr& p5 = vp;   // expected-error {{drops 'volatile' qualifier}}
  13   ptr& p6 = cvp;  // expected-error {{drops 'const volatile' qualifiers}}
  14   ptr& p7 = rvp;  // expected-error {{drops 'volatile __restrict' qualifiers}}
  15   ptr& p8 = crvp; // expected-error {{drops 'const volatile __restrict' qualifiers}}
  16
  17   const ptr& cp1 = p;
  18   const ptr& cp2 = cp;
  19   const ptr& cp3 = rp;   // expected-error {{drops '__restrict' qualifier}}
  20   const ptr& cp4 = crp;  // expected-error {{drops '__restrict' qualifier}}
  21   const ptr& cp5 = vp;   // expected-error {{drops 'volatile' qualifier}}
  22   const ptr& cp6 = cvp;  // expected-error {{drops 'volatile' qualifier}}
  23   const ptr& cp7 = rvp;  // expected-error {{drops 'volatile __restrict' qualifiers}}
  24   const ptr& cp8 = crvp; // expected-error {{drops 'volatile __restrict' qualifiers}}
  25
  26   const volatile ptr& cvp1 = p;
  27   const volatile ptr& cvp2 = cp;
  28   const volatile ptr& cvp3 = rp;  // expected-error {{drops '__restrict' qualifier}}
  29   const volatile ptr& cvp4 = crp; // expected-error {{drops '__restrict' qualifier}}
  30   const volatile ptr& cvp5 = vp;
  31   const volatile ptr& cvp6 = cvp;
  32   const volatile ptr& cvp7 = rvp;  // expected-error {{drops '__restrict' qualifier}}
  33   const volatile ptr& cvp8 = crvp; // expected-error {{drops '__restrict' qualifier}}
  34
  35   const restrict volatile ptr& crvp1 = p;
  36   const restrict volatile ptr& crvp2 = cp;
  37   const restrict volatile ptr& crvp3 = rp;
  38   const restrict volatile ptr& crvp4 = crp;
  39   const restrict volatile ptr& crvp5 = vp;
  40   const restrict volatile ptr& crvp6 = cvp;
  41   const restrict volatile ptr& crvp7 = rvp;
  42   const restrict volatile ptr& crvp8 = crvp;
  43 }