https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93299
Bug ID: 93299
Summary: [9/10 Regression] ICE in tsubst_copy, at cp/pt.c:15779
Product: gcc
Version: 9.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: doko at debian dot org
Target Milestone: ---
[forwarded from https://bugs.debian.org/949024]
seen with gcc-9 branch 20200110 and trunk:
$ cat foo.ii
template <typename> struct a {
enum { b };
};
class c;
template <int> class __attribute__((aligned((a<c>::b)))) d {};
class : d<0> {
$ g++ -c -std=gnu++14 foo.ii
foo.ii: In instantiation of 'class d<0>':
foo.ii:6:9: required from here
foo.ii:5:58: internal compiler error: in tsubst_copy, at cp/pt.c:15779
5 | template <int> class __attribute__((aligned((a<c>::b)))) d {};
| ^
0x7f3dbc75bbba __libc_start_main
../csu/libc-start.c:308
Please submit a full bug report,
with preprocessed source if appropriate.
