handle any arg that *start* with -Werror for clang retry
handle any arg that *start* with -Werror for clang retry

glandium/sccache,mozilla/sccache,luser/sccache2,mozilla/sccache,luser/sccache2,glandium/sccache,luser/sccache2,glandium/sccache,glandium/sccache,luser/sccache2,mozilla/sccache