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.

Reply via email to