On Wed, Nov 19, 2014 at 11:46 AM, David Malcolm <dmalc...@redhat.com> wrote:
> This was leaking ~4KB per iteration:
Ok.
Thanks,
Richard.
> 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
>
