As subject says - on x86_64 it takes a whopping 30 minutes to compile said with -fprofile-generate! And of course profiledbootstrap later fails with
stage1/xgcc -Bstage1/ -B/usr/local/x86_64-unknown-linux-gnu/bin/ -c -g -O2 -fprofile-use -freorder-blocks-and-partition -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros -Wold-style-definition -Werror -fno-common -DHAVE_CONFIG_H -I. -I. -I/mnt/space/rguenther/src/gcc-clean/gcc -I/mnt/space/rguenther/src/gcc-clean/gcc/. -I/mnt/space/rguenther/src/gcc-clean/gcc/../include -I/mnt/space/rguenther/src/gcc-clean/gcc/../libcpp/include /mnt/space/rguenther/src/gcc-clean/gcc/tree-cfg.c -o tree-cfg.o /mnt/space/rguenther/src/gcc-clean/gcc/tree-cfg.c: In function ‘tree_find_edge_insert_loc’: /mnt/space/rguenther/src/gcc-clean/gcc/tree-cfg.c:2915: error: coverage mismatch for function ‘tree_find_edge_insert_loc’ while reading counter ‘arcs’ /mnt/space/rguenther/src/gcc-clean/gcc/tree-cfg.c:2915: error: number of counters is 39 instead of 41 Richard.
