https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
--- Comment #15 from Jonathan Wakely ---
(In reply to Martin Liška from comment #12)
> Started to ICE with -std=c++17 since r6-3372-g378b307d0d7e789c.
That's the commit that added C++17 fold expressions, but the ICE doesn't depend
on fold expres
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
Jonathan Wakely changed:
What|Removed |Added
Resolution|--- |DUPLICATE
Status|NEW
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
--- Comment #13 from Jonathan Wakely ---
I think it's just a dup of PR 82099.
Reduced further to only use C++14
template
struct hash
{
int operator()(T) const noexcept { return 0; }
};
template
int hash_combine(T v) noexcept(noexcept(hash(
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
--- Comment #12 from Martin Liška ---
Started to ICE with -std=c++17 since r6-3372-g378b307d0d7e789c. Before that it
was rejected:
pr97773-2.C:30:40: error: expected primary-expression before ‘...’ token
((hash>()(v)), ...)))
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
Jonathan Wakely changed:
What|Removed |Added
See Also||https://gcc.gnu.org/bugzill
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
--- Comment #10 from Jonathan Wakely ---
Reduced:
using size_t = decltype(sizeof(0));
template struct remove_reference { using type = T; };
template struct remove_reference { using type = T; };
template struct remove_reference { using type = T;
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
--- Comment #9 from Jonathan Wakely ---
(In reply to Jonathan Wakely from comment #7)
> N.B. your program has undefined behaviour. Specializing std::hash for
> standard library types is forbidden. GCC shouldn't crash though.
Oh, you didn't! I mi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
--- Comment #7 from Jonathan Wakely ---
N.B. your program has undefined behaviour. Specializing std::hash for standard
library types is forbidden. GCC shouldn't crash though.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
--- Comment #8 from Jonathan Wakely ---
(In reply to Janez Zemva from comment #6)
> try -std=c++20 ?
Which is why the instructions at https://gcc.gnu.org/bugs clearly say you need
to provide the options used.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
--- Comment #6 from Janez Zemva ---
try -std=c++20 ?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
--- Comment #5
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
Jonathan Wakely changed:
What|Removed |Added
Keywords||ice-on-valid-code
Status|W
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
--- Comment #3 from Janez Zemva ---
Created attachment 49535
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49535&action=edit
bug
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
--- Comment #2 from Janez Zemva ---
#include
#include
#include
#include
#include
#include
template
struct hash : std::hash
{
};
template <>
struct hash
{
auto operator()(std::chrono::seconds const cp) const noexcept
{
return
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97773
Jonathan Wakely changed:
What|Removed |Added
Last reconfirmed||2020-11-10
Ever confirmed|0
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