https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100152
--- Comment #47 from lucier at math dot purdue.edu --- I downloaded [Bradleys-Mac-mini:~/programs/gcc/gcc-mainline] lucier% git log -1 --oneline 2254b3233b5 (HEAD -> master, origin/trunk, origin/master, origin/HEAD) PR middle-end/100325 - missing warning with -O0 on sprintf overflow with pointer plus offset configured with ../../gcc-mainline/configure --prefix=/usr/local/gcc-mainline --with-sysroot=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk and "make; make -k check". I then applied the patch, configured, "make; make -k check" and the make check always stops with <stuff removed> Running /Users/lucier/programs/gcc/gcc-mainline/libstdc++-v3/testsuite/libstdc++-dg/conformance.exp ... WARNING: program timed out. Sorry, I don't know what's going on.