[Bug debug/97060] Missing DW_AT_declaration=1 in dwarf data

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97060

--- Comment #16 from H.J. Lu <hjl.tools at gmail dot com> ---
FWIW, I cherry-picked the fix onto vendors/redhat/gcc-10-branch branch.
I can build 5.10 kernel with the fixed GCC.