[Bug go/89019] LTO and gccgo cause ICE during free_lang_data

[ian at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89019

--- Comment #3 from ian at gcc dot gnu.org <ian at gcc dot gnu.org> ---
Author: ian
Date: Wed Feb  6 04:48:35 2019
New Revision: 268572

URL: https://gcc.gnu.org/viewcvs?rev=268572&root=gcc&view=rev
Log:
gcc/go:
        PR go/89019
        * go-gcc.cc (Gcc_backend::placeholder_struct_type): Mark
        placeholder structs as requiring structural equality.
        (Gcc_backend::set_placeholder_pointer_type): Propagate the
        canonical type from the desired pointer type to the placeholder
        pointer type.
gcc/testsuite/:
        * lib/go-torture.exp: Test compiling with -flto.

Modified:
    trunk/gcc/go/ChangeLog
    trunk/gcc/go/go-gcc.cc
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/lib/go-torture.exp