This was leaking ~4KB per iteration:
16,256 bytes in 4 blocks are definitely lost in loss record 234 of 239
at 0x4A0645D: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
by 0x5D75C17: xmalloc (xmalloc.c:147)
by 0x30958842DB: _obstack_begin (obstack.c:184)
by 0x4DFECDE: bitmap_obstack_initialize(bitmap_obstack*) (bitmap.c:338)
by 0x5CA3C1D: ipa_init() (ipa-reference.c:431)
by 0x5CA3FB1: generate_summary() (ipa-reference.c:551)
by 0x5CA4650: propagate() (ipa-reference.c:684)
by 0x5CA5BEE: (anonymous namespace)::pass_ipa_reference::execute(function*)
(ipa-reference.c:1178)
by 0x522354D: execute_one_pass(opt_pass*) (passes.c:2306)
by 0x5224427: execute_ipa_pass_list(opt_pass*) (passes.c:2700)
by 0x4E495C1: ipa_passes() (cgraphunit.c:2088)
by 0x4E498E0: symbol_table::compile() (cgraphunit.c:2172)
gcc/ChangeLog:
PR jit/63854
* ipa-reference.c (ipa_reference_c_finalize): Release
optimization_summary_obstack.
---
gcc/ipa-reference.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/gcc/ipa-reference.c b/gcc/ipa-reference.c
index b421f63..1ce06d1 100644
--- a/gcc/ipa-reference.c
+++ b/gcc/ipa-reference.c
@@ -1193,5 +1193,9 @@ make_pass_ipa_reference (gcc::context *ctxt)
void
ipa_reference_c_finalize (void)
{
- ipa_init_p = false;
+ if (ipa_init_p)
+ {
+ bitmap_obstack_release (&optimization_summary_obstack);
+ ipa_init_p = false;
+ }
}
--
1.8.5.3
