[Bug target/120933] Turn on -mtls-dialect=gnu2 by default on x86-64

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120933

--- Comment #16 from Sam James <sjames at gcc dot gnu.org> ---
Created attachment 62182
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62182&action=edit
0001-i386-default-to-mtls-dialect-gnu2-if-appropriate.patch

Fixed patch.