pKiller->m_Stats.m_GrabsFalse to pKiller->m_Stats.m_GrabsWrong? 
statistically I am issue opener
learath2@l2gentoo ~/test $ rustc -C debuginfo=0 -C opt-level=3 -C lto=true test.rs
learath2@l2gentoo ~/test $ wc -c test
1755128 test
Here is rust with lto just to give it the same chance, I hadn't found the flag. So I guess rust benefits from lto much more since the std is massive 
How to minimize Rust binary size 
. Contribute to johnthagen/min-sized-rust development by creating an account on GitHub.
learath2@l2gentoo ~/test $ cat test.c
#include <stdio.h>
int main(int argc, char **argv) {
puts("Hello, World!");
}
learath2@l2gentoo ~/test $ cat test.rs
fn main() {
println!("Hello, World!");
}
learath2@l2gentoo ~/test $ wc -c c_* rs_*
15408 c_flto
15464 c_gccdefault
15464 c_o3
15464 c_os
3700312 rs_0dbg_3opt
3700312 rs_2opt
3700776 rs_rustcdefault
Here is the same test repeated with giving both languages the same amount of care and messing about with flags a little 
mod foo {
struct Foo {
_: Foo,
}
#[intrinsic = "sizeof"]
fn sizeof<T>() -> u64;
pub fn main() -> i32 {
sizeof::<Foo>();
return 0;
}
}-rwxr-xr-x 1 learath2 learath2 688952 Mar 14 17:07 a.out
mod foo {
struct Foo {
_: Foo,
}
#[intrinsic = "sizeof"]
fn sizeof<T>() -> u64;
pub fn main() -> i32 {
sizeof::<Foo>();
return 0;
}
} 
fn main() { println!("Hello World!"); } 
1
1
1
3
1
1
1
