http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51648
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.7.0 Summary|[4.7 Regression] |[4.7 Regression] | |Profiledbootstrap failure | |on x86_64-linux --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-21 10:32:29 UTC --- CFLAGS='-O2 -g -fexceptions -fstack-protector --param=ssp-buffer-size=4 -mtune=generic' CXXFLAGS='-O2 -g -fexceptions -fstack-protector --param=ssp-buffer-size=4 -mtune=generic' \ ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-checking=release \ --disable-build-with-cxx --disable-build-poststage1-with-cxx --with-system-zlib --enable-__cxa_atexit --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu \ --enable-languages=c,c++,lto --enable-plugin --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux make -j8 'BOOT_CFLAGS=-O2 -g -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4 -mtune=generic' profiledbootstrap fails on current trunk, reproduceably (3 times already) with: ../../gcc/gcc.c:8278:1: error: corrupted profile info: profile data is not flow-consistent ../../gcc/gcc.c:8278:1: error: corrupted profile info: number of executions for edge 262-263 thought to be -24 ../../gcc/gcc.c:8278:1: error: corrupted profile info: number of executions for edge 262-1 thought to be 24 I had to workaround two (bogus) uninitialized warnings first, will post a patch for that.