clang/test/SemaCXX/pr51171-crash.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++17 %s
   2
   3 // Ensure that we don't crash if errors are suppressed by an error limit.
   4 // RUN: not %clang_cc1 -fsyntax-only -std=c++17 -ferror-limit 1 %s
   5
   6 template <bool is_const, typename tag_t = void>
   7 struct tv_val {
   8 };
   9
  10 template <bool is_const>
  11 auto &val(const tv_val<is_const> &val) { return val.val(); } // expected-note {{possible target for call}}
  12
  13 struct Class {
  14   template <bool is_const>
  15   struct Entry {
  16     tv_val<is_const> val;
  17   };
  18 };
  19
  20 enum Types : int {
  21   Class = 1, // expected-note 2 {{struct 'Class' is hidden}}
  22 };
  23
  24 struct Record {
  25   Class *val_;            // expected-error {{must use 'struct' tag}}
  26   void setClass(Class *); // expected-error {{must use 'struct' tag}}
  27 };
  28
  29 void Record::setClass(Class *val) { // expected-error {{variable has incomplete type 'void'}} \
  30                                    // expected-error {{reference to overloaded function}} \
  31                                    // expected-error {{expected ';' after top level declarator}}
  32   val_ = val;
  33 }