ipa-icf.c was leaking 16 bytes per iteration in the jit testcases here:
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
