On Wed, Nov 19, 2014 at 11:46 AM, David Malcolm <dmalc...@redhat.com> wrote: > ipa-icf.c was leaking 16 bytes per iteration in the jit testcases here:
Ok. Tahnks, Richard. > 80 bytes in 5 blocks are definitely lost in loss record 94 of 199 > at 0x4A0645D: malloc (in > /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) > by 0x5D764B7: xmalloc (xmalloc.c:147) > by 0x5C962FF: ipa_icf::sem_item_optimizer::get_group_by_hash(unsigned int, > ipa_icf::sem_item_type) (ipa-icf.c:1503) > by 0x5C96C8C: ipa_icf::sem_item_optimizer::build_hash_based_classes() > (ipa-icf.c:1723) > by 0x5C96765: ipa_icf::sem_item_optimizer::execute() (ipa-icf.c:1616) > by 0x5C98E81: ipa_icf::ipa_icf_driver() (ipa-icf.c:2373) > by 0x5C993C8: ipa_icf::pass_ipa_icf::execute(function*) (ipa-icf.c:2421) > by 0x5223CCD: execute_one_pass(opt_pass*) (passes.c:2306) > by 0x5224BA7: execute_ipa_pass_list(opt_pass*) (passes.c:2700) > by 0x4E49B0D: ipa_passes() (cgraphunit.c:2088) > by 0x4E49E2C: symbol_table::compile() (cgraphunit.c:2172) > by 0x4E4A1C2: symbol_table::finalize_compilation_unit() (cgraphunit.c:2325) > > by not freeing the allocation here: > > congruence_class_group *item = XNEW (congruence_class_group); > > in sem_item_optimizer::get_group_by_hash. > > Fix it. > > gcc/ChangeLog: > PR jit/63854 > * ipa-icf.c (sem_item_optimizer::~sem_item_optimizer): Free each > congruence_class_group *. > --- > gcc/ipa-icf.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/gcc/ipa-icf.c b/gcc/ipa-icf.c > index 2d5fcf5..b0ba82e 100644 > --- a/gcc/ipa-icf.c > +++ b/gcc/ipa-icf.c > @@ -1322,6 +1322,7 @@ sem_item_optimizer::~sem_item_optimizer () > delete (*it)->classes[i]; > > (*it)->classes.release (); > + free (*it); > } > > m_items.release (); > -- > 1.8.5.3 >
