[Bug rtl-optimization/67532] Add -fno-plt=file and -fno-plt=[symbol,...]

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67532

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
I implemented it on hjl/got/master branch

https://gcc.gnu.org/git/?p=gcc.git;a=shortlog;h=refs/heads/hjl/got/master

The patch is at

https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=fad07e655ff6be4b5b56cae14c4646761fb73c5a

with testcases.