Re: [Bug ipa/123888] [16 Regression] Firefox 147 miscompilation with LTO+PGO on x86_64-linux

[Jan Hubicka via Gcc-bugs]

> --param max-devirt-targets=1 doesn't help when specified on the g++ -shared
> link line,
> will try to specify it on the -c -flto -fprofile-use command lines next.
It is an optimization option, so it is streamed into the .o files and
needs to be set at compile time.  I am looking into the WPA files.