[Bug target/85238] [8 Regression] lto-wrapper: fatal error: simple_object_copy_lto_debug_sections not implemented: Invalid argument on Cygwin

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85238

--- Comment #25 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Thu Apr 12 14:18:17 2018
New Revision: 259347

URL: https://gcc.gnu.org/viewcvs?rev=259347&root=gcc&view=rev
Log:
        PR target/85238
        * lto-wrapper.c (debug_objcopy): Open the files in binary mode.
        * dwarf2out.c (dwarf2out_early_finish): Do not generate assembly in LTO
        mode for PE-COFF targets.
        * config/i386/i386-protos.h (i386_pe_asm_lto_start): Declare.
        (i386_pe_asm_lto_end): Likewise.
        * config/i386/cygming.h (TARGET_ASM_LTO_START): Define.
        (TARGET_ASM_LTO_END): Likewise.
        * config/i386/winnt.c (saved_debug_info_level): New static variable.
        (i386_pe_asm_lto_start): New function.
        (i386_pe_asm_lto_end): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/cygming.h
    trunk/gcc/config/i386/i386-protos.h
    trunk/gcc/config/i386/winnt.c
    trunk/gcc/dwarf2out.c
    trunk/gcc/lto-wrapper.c