[Bug middle-end/78294] [5/6/7 Regression] -fsanitize=thread broken by ignoring __attribute__((tls_model("initial-exec")))

[dvyukov at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78294

--- Comment #16 from Dmitry Vyukov <dvyukov at google dot com> ---
So is it a bug in gcc or in tsan runtime?
I thought that an attribute attached to a definition must affect declaration as
well.