https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86077
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- this is standard unix option processing. That is --param and key=value are two different arguments. This should be fixed in bazel really. There are other arguments like --param really. -Xlinker, -Xassembler, and -Xpreprocessor .