https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105491
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Last reconfirmed| |2022-05-05
Target Milestone|--- |10.4
Summary|Usage of __constinit with |[10/11/12/13 Regression]
|-std=c++11 does is rejected |Usage of __constinit with
| |-std=c++11 does is rejected
CC| |jakub at gcc dot gnu.org,
| |ppalka at gcc dot gnu.org
Status|UNCONFIRMED |NEW
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Related
class Message {
virtual int GetMetadata();
};
class ProtobufCFileOptions : Message {
public:
constexpr ProtobufCFileOptions(int);
bool no_generate_;
bool const_strings_;
bool use_oneof_field_name_;
bool gen_pack_helpers_;
bool gen_init_helpers_;
};
constexpr ProtobufCFileOptions::ProtobufCFileOptions(int)
: no_generate_(), const_strings_(), use_oneof_field_name_(),
gen_pack_helpers_(), gen_init_helpers_() {}
struct ProtobufCFileOptionsDefaultTypeInternal {
constexpr ProtobufCFileOptionsDefaultTypeInternal() : _instance({}) {}
union {
ProtobufCFileOptions _instance;
};
};
constexpr ProtobufCFileOptionsDefaultTypeInternal
_ProtobufCFileOptions_default_instance_;
is rejected starting with r10-7313-gb599bf9d6d1e180d350b71e51e08a66a1bb1546a
when using -std=c++11 or -std=c++14.
Though, I don't see how it could be changing the active union member when there
is just one member...
