https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99846
Jonathan Wakely changed:
What|Removed |Added
Resolution|--- |INVALID
Status|NEW
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99846
--- Comment #9 from Jonathan Wakely ---
This still means that comparisons on Value objects use the comparison operators
from the Variant base, and those comparisons depend on the alternative types in
the variant. One of those is list, and
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99846
--- Comment #8 from Nils Gladitz ---
(In reply to Jonathan Wakely from comment #5)
> Now this is *obviously* wrong. The left < right expression uses the
> operator< defined for the std::list base class, which depends on
> comparing the list's
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99846
Patrick Palka changed:
What|Removed |Added
CC||ppalka at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99846
--- Comment #6 from Jonathan Wakely ---
Oops, sorry, I meant to paste this as the further reduced version:
#include
struct Value;
using Array = std::list;
struct Value : Array {};
int main()
{
Value left;
Value right;
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99846
--- Comment #5 from Jonathan Wakely ---
We can reduce this further:
#include
#include
struct Value;
using Array = std::list;
using Variant = std::variant;
struct Value : Variant {};
int main()
{
Value left;
Value right;
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99846
Jonathan Wakely changed:
What|Removed |Added
CC||jason at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99846
--- Comment #3 from Jonathan Wakely ---
Actually that's not true, that commit *is* on the gcc-10 branch. I'll bisect.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99846
--- Comment #2 from Jonathan Wakely ---
That's because C++20 <=> comparisons aren't present on the branch. They were
added by g:9e58988061f4175896de11af0caf9bdd48c9b046
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99846
Richard Biener changed:
What|Removed |Added
Ever confirmed|0 |1
Priority|P3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99846
Richard Biener changed:
What|Removed |Added
Target Milestone|--- |11.0
Keywords|
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