http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55417
--- Comment #1 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-11-20 21:06:46 UTC --- Valgrind shows: % /var/tmp/gcc_valgrind/usr/local/bin/g++ -w -fprofile-use -O3 /home/markus/bench.cpp ==522== Conditional jump or move depends on uninitialised value(s) ==522== at 0x9E082B: compute_branch_probabilities(unsigned int, unsigned int) (profile.c:294) ==522== by 0x9E2544: branch_prob() (profile.c:1371) ==522== by 0xAFF5F5: tree_profiling() (tree-profile.c:483) ==522== by 0x9CBD2A: execute_one_pass(opt_pass*) (passes.c:2327) ==522== by 0x9CC789: execute_ipa_pass_list(opt_pass*) (passes.c:2692) ==522== by 0x79429F: compile() (cgraphunit.c:1869) ==522== by 0x794B99: finalize_compilation_unit() (cgraphunit.c:2120) ==522== by 0x5B4A0E: cp_write_global_declarations() (decl2.c:4287) ==522== by 0xA6D5BC: compile_file() (toplev.c:559) ==522== by 0xA6F479: toplev_main(int, char**) (toplev.c:1881) ==522== by 0x4ECD894: (below main) (libc-start.c:258) ==522== %
