On 4/21/2021 2:14 AM, Martin Liška wrote:
Hey.
It's quite common case that a build system does not a -flto=foo option
as part of linker command. We should merge -flto options from the corresponding
object files.
Patch can bootstrap on x86_64-linux-gnu and survives regression tests.
Ready to be installed?
Thanks,
Martin
gcc/ChangeLog:
* lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
(run_gcc): Use -flto argument detection for merged
fdecoded_options.
OK jeff
