re PR target/48094 (ld: warning: section has unexpectedly large size errors in objc...

re PR target/48094 (ld: warning: section has unexpectedly large size errors in objc/obj-c++ lto)

gcc:

       PR target/48094
        * config/darwin.c (darwin_objc2_section): Note if ObjC Metadata is seen.
        (darwin_objc1_section): Likewise.
        (darwin_file_end): Emit Image Info section when required.

gcc/c-family:

       PR target/48094
        * c.opt (fgnu-runtime, fnext-runtime, fobjc-abi-version,
        fobjc-gc, freplace-objc-classes): Accept for LTO.

gcc/objc:

       PR target/48094
        * objc-next-runtime-abi-01.c (generate_objc_image_info): Remove.
        (objc_generate_v1_next_metadata): Remove generation of ImageInfo.
        * objc-next-runtime-abi-02.c (generate_v2_objc_image_info): Remove.
        (objc_generate_v2_next_metadata): Remove generation of ImageInfo.

From-SVN: r202593