[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

Sam James <sjames at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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         Resolution|FIXED                       |---
             Status|RESOLVED                    |NEW