[Bug libgomp/64672] New: ICEs in libgomp.oacc-fortran when using the '-g -flto' options in the test suite.

["dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64672

            Bug ID: 64672
           Summary: ICEs in libgomp.oacc-fortran when using the '-g -flto'
                    options in the test suite.
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libgomp
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dominiq at lps dot ens.fr
                CC: howarth at bromo dot med.uc.edu, iains at gcc dot gnu.org,
                    jakub at gcc dot gnu.org, tschwinge at gcc dot gnu.org

As reported in pr64635 comment 8, compiling most of the tests in
libgomp.oacc-fortran gives an ICE on x86_64-apple-darwin14

lto1: internal compiler error: in streamer_get_builtin_tree, at
tree-streamer-in.c:1151