clang/test/AST/ast-dump-pack-indexing-crash.cpp

   1 // RUN: not %clang_cc1 -std=c++2c -ast-dump %s | FileCheck  %s
   2
   3 namespace InvalidPacksShouldNotCrash {
   4
   5 struct NotAPack;
   6 template <typename T, auto V, template<typename> typename Tp>
   7 void not_pack() {
   8     int i = 0;
   9     i...[0]; // expected-error {{i does not refer to the name of a parameter pack}}
  10     V...[0]; // expected-error {{V does not refer to the name of a parameter pack}}
  11     NotAPack...[0] a; // expected-error{{'NotAPack' does not refer to the name of a parameter pack}}
  12     T...[0] b;   // expected-error{{'T' does not refer to the name of a parameter pack}}
  13     Tp...[0] c; // expected-error{{'Tp' does not refer to the name of a parameter pack}}
  14 }
  15
  16 // CHECK:      FunctionDecl {{.*}} not_pack 'void ()'
  17 // CHECK:           DeclStmt {{.*}}
  18 // CHECK:           DeclStmt {{.*}}
  19 // CHECK-NEXT:        VarDecl {{.*}} a 'NotAPack...{{.*}}'
  20 // CHECK-NEXT:      DeclStmt {{.*}}
  21 // CHECK-NEXT:        VarDecl {{.*}} 'T...{{.*}}'
  22 // CHECK-NEXT:       DeclStmt {{.*}}
  23 // CHECK-NEXT:        VarDecl {{.*}} c 'Tp...{{.*}}'
  24
  25 }