* doc/as.texinfo: Fix spelling and cross-references.
* doc/c-arm.texi: Fix typos. Say that `;' is a line separator
character for all systems, not just GNU/Linux. Make it explicit
that `-k' doesn't affect code generation, just ELF flags.
* doc/as.texinfo: Document '#' as comment character for i386 and
x86_64. Add AMD x86-64 into menu of machine dependent information.
* doc/c-i386.texi: Document x86_64 extensions.
* config/obj-elf.c (elf_frob_symbol): Support
".symver name,name2@@@nodename".
(elf_frob_file_before_adjust): Likewise.
* doc/as.texinfo: Updated for ".symver name,name2@@@nodename"
and ".symver name,name2@@@nodename".
Fix a typo.
* doc/as.texinfo (.symver): Updated for versioned symbol
reference.
* obj.h (format_ops): Add the frob_file_before_adjust field.
* config/obj-aout.c (aout_format_ops): Set the
frob_file_before_adjust field to 0.
* config/obj-coff.c (coff_format_ops): Likewise.
* config/obj-ecoff.c (ecoff_format_ops): Likewise.
* config/obj-elf.c (obj_elf_symver): Allow duplicated version
name.
(elf_frob_file_before_adjust): New function to remove unneeded
versioned symbols from the symbol table.
(elf_format_ops): Set the frob_file_before_adjust field to
elf_frob_file_before_adjust.
* config/obj-elf.h (obj_frob_file_before_adjust): Defined if
not defined.
* config/obj-multi.h (obj_frob_file_before_adjust): Defined.
(parse_args): Add --no-warn, --warn, --fatal-warnings,
which become 'W', OPTION_WARN, and OPTION_WARN_FATAL.
(parse_args): Parse the new options.
(main): If there were warnings, and --fatal-warnings
was specified, print an error.
* as.h: New variable, flag_fatal_warnings, for new option.
