llvm-project/clang/test/Modules/redecl-add-after-load.cpp

60 lines
2.0 KiB
C++

// RUN: rm -rf %t
// RUN: %clang_cc1 -x objective-c++ -fmodules -fno-modules-error-recovery -fmodules-cache-path=%t -I %S/Inputs %s -verify -std=c++11
// RUN: %clang_cc1 -x objective-c++ -fmodules -fno-modules-error-recovery -fmodules-cache-path=%t -I %S/Inputs %s -verify -std=c++11 -DIMPORT_DECLS
#ifdef IMPORT_DECLS
// expected-no-diagnostics
@import redecl_add_after_load_decls;
#else
typedef struct A B;
extern const int variable;
extern constexpr int function();
constexpr int test(bool b) { return b ? variable : function(); }
namespace N {
typedef struct A B;
extern const int variable;
extern constexpr int function();
}
typedef N::B NB;
constexpr int N_test(bool b) { return b ? N::variable : N::function(); }
@import redecl_add_after_load_top;
typedef C::A CB;
constexpr int C_test(bool b) { return b ? C::variable : C::function(); }
struct D {
struct A; // expected-note {{forward}}
static const int variable;
static constexpr int function(); // expected-note {{here}}
};
typedef D::A DB;
constexpr int D_test(bool b) { return b ? D::variable : D::function(); } // expected-note {{undefined}}
#endif
@import redecl_add_after_load;
B tu_struct_test;
constexpr int tu_variable_test = test(true);
constexpr int tu_function_test = test(false);
NB ns_struct_test;
constexpr int ns_variable_test = N_test(true);
constexpr int ns_function_test = N_test(false);
CB struct_struct_test;
constexpr int struct_variable_test = C_test(true);
constexpr int struct_function_test = C_test(false);
// FIXME: We should accept this, but we're currently too lazy when merging class
// definitions to determine that the definitions in redecl_add_after_load are
// definitions of these entities.
DB merged_struct_struct_test;
constexpr int merged_struct_variable_test = D_test(true);
constexpr int merged_struct_function_test = D_test(false);
#ifndef IMPORT_DECLS
// expected-error@-4 {{incomplete}}
// @-4: definition of D::variable must be emitted, so it gets imported eagerly
// expected-error@-4 {{constant}} expected-note@-4 {{in call to}}
#endif