[Bug gcov-profile/100289] [11/12/13 Regression] libgcc/libgcov.h: bootstrap failure due to missing #include <sys/mman.h>

[jbglaw@lug-owl.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100289

--- Comment #21 from Jan-Benedict Glaw <jbglaw@lug-owl.de> ---
But the basic question is: Should a first build pass --disable-gcov (glibc's
failure to provide this) or should GCC detect that there's (not yet) no
sys/mman.h (GCC problem)?