https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92909
Bug ID: 92909
Summary: ICE on incorrect lambda inside variadic template
Product: gcc
Version: 8.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: soko.slav at yandex dot ru
Target Milestone: ---
Code:
template <class ... Ts>
void foo()
{
[]
{
using T = Ts;
}();
}
template void foo<>();
fails to compile with message
<source>: In lambda function:
<source>:10:22: internal compiler error: in is_base_type, at dwarf2out.c:12893
template void foo<>();
starting from gcc-8.1 (x86-64) till now including trunk, modules and contracts
branches
does not ICE on gcc-7.5 and earlier
does not ICE without lambda
Tested locally and on https://godbolt.org/z/gWfqhB
