[Bug c++/80267] [7 Regression] Compiling aborts when template/auto/lambda occur in some way

["trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80267

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |trippels at gcc dot gnu.org

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
trippels@gcc75 ~ % cat bug.ii
template <typename> void a() {
  int b;
  auto &c = b;
  [&] {
    c;
    [&] { c; };
  };
}
void d() { a<int>(); }

trippels@gcc75 ~ % g++ -c bug.ii
bug.ii: In instantiation of ‘a()::<lambda()>::<lambda()> [with
<template-parameter-1-1> = int]’:
bug.ii:6:7:   required from ‘struct a()::<lambda()> [with
<template-parameter-1-1> = int]::<lambda()>’
bug.ii:6:5:   required from ‘a()::<lambda()> [with <template-parameter-1-1> =
int]’
bug.ii:4:5:   required from ‘struct a() [with <template-parameter-1-1> =
int]::<lambda()>’
bug.ii:4:3:   required from ‘void a() [with <template-parameter-1-1> = int]’
bug.ii:9:19:   required from here
bug.ii:6:11: internal compiler error: in tsubst_copy, at cp/pt.c:14609