[Bug c++/88830] New: ice in maybe_emit_vtables

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88830

            Bug ID: 88830
           Summary: ice in maybe_emit_vtables
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

For this C++ code, compiled with recent gcc:

struct a {
  ~a();
};
class b {
  virtual void c(int &);
};
class C : b {
  void c(int &);
  virtual int d() = 0;
  a e;
};
void C::c(int &) {}

does this:

$ ~/gcc/results/bin/gcc -c -w bug495.cc
<built-in>: internal compiler error: Segmentation fault
0x10c3017 crash_signal
        ../../trunk/gcc/toplev.c:326
0x9765b4 maybe_emit_vtables
        ../../trunk/gcc/cp/decl2.c:2232
0x9765b4 c_parse_final_cleanups()
        ../../trunk/gcc/cp/decl2.c:4797
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$ 

The bug seems to occur between revisions 267850 and 267900.