$DIR/backtrace-api-v0.rs:LL:CC (func_d)
$DIR/backtrace-api-v0.rs:LL:CC (func_c)
$DIR/backtrace-api-v0.rs:LL:CC (func_b)
$DIR/backtrace-api-v0.rs:LL:CC (func_a)
$DIR/backtrace-api-v0.rs:LL:CC RUSTLIB/core/src/ops/function.rs:LL:CC (<fn() as std::ops::FnOnce<()>>::call_once - RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC (std::sys_common::backtrace::__rust_begin_short_backtrace)