https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66762
--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- Created attachment 36041 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36041&action=edit Assembly for gfortran.dg/submodule_1.f90 with -flto Assembly generated with gfc /opt/gcc/_clean/gcc/testsuite/gfortran.dg/submodule_1.f08 -flto -save-temps lto1: error: two or more sections for .gnu.lto___foo_interface_MOD___vtab_foo_interface_Foo.af0e7cdaeebf932b ... grep lto___foo_interface_MOD___vtab_foo_interface_Foo submodule_1.s L_GNU_LTO4: ;# .gnu.lto___foo_interface_MOD___vtab_foo_interface_Foo.af0e7cdaeebf932b L_GNU_LTO7: ;# .gnu.lto___foo_interface_MOD___vtab_foo_interface_Foo.af0e7cdaeebf932b L_GNU_LTO13: ;# .gnu.lto___foo_interface_MOD___vtab_foo_interface_Foo.af0e7cdaeebf932b .asciz ".gnu.lto___foo_interface_MOD___vtab_foo_interface_Foo.af0e7cdaeebf932b" .asciz ".gnu.lto___foo_interface_MOD___vtab_foo_interface_Foo.af0e7cdaeebf932b" .asciz ".gnu.lto___foo_interface_MOD___vtab_foo_interface_Foo.af0e7cdaeebf932b" .long L$gnu$lto$offs4 ;# .gnu.lto___foo_interface_MOD___vtab_foo_interface_Foo.af0e7cdaeebf932b .long L$gnu$lto$offs7 ;# .gnu.lto___foo_interface_MOD___vtab_foo_interface_Foo.af0e7cdaeebf932b .long L$gnu$lto$offs13 ;# .gnu.lto___foo_interface_MOD___vtab_foo_interface_Foo.af0e7cdaeebf932b For gfortran.dg/submodule_6.f08 grep lto___mod_a_MOD___vtab_mod_a_T_a submodule_6.s L_GNU_LTO10: ;# .gnu.lto___mod_a_MOD___vtab_mod_a_T_a.504da200a614bb9e L_GNU_LTO15: ;# .gnu.lto___mod_a_MOD___vtab_mod_a_T_a.504da200a614bb9e .asciz ".gnu.lto___mod_a_MOD___vtab_mod_a_T_a.504da200a614bb9e" .asciz ".gnu.lto___mod_a_MOD___vtab_mod_a_T_a.504da200a614bb9e" .long L$gnu$lto$offs10 ;# .gnu.lto___mod_a_MOD___vtab_mod_a_T_a.504da200a614bb9e .long L$gnu$lto$offs15 ;# .gnu.lto___mod_a_MOD___vtab_mod_a_T_a.504da200a614bb9e
