https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68347
Alexey Rychkov <alexey.a.rychkov at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED Resolution|--- |WORKSFORME --- Comment #11 from Alexey Rychkov <alexey.a.rychkov at gmail dot com> --- Now it is compiles without any problems. The reason of the problem was in --color=always which results in special chars controlling color of output of grep to be generated even when using with pipe.