[Bug c++/103105] [11 Regression] ICE iterative_hash_template_arg with concepts and varagrs template since r11-3261-gb28b621ac67beee8

[ppalka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103105
Bug 103105 depends on bug 103706, which changed state.

Bug 103706 Summary: [11 Regression] ICE: tree check: accessed elt 1 of 'tree_vec' with 0 elts in hash, at cp/constraint.cc:2503
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103706

           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED