* Create backtrace * Extend unwind information with FDE data. * Expose backtrace via API/Trap * wasmtime_call returns not-str * Return Arc<JITFrameTag> * rename frame -> function * Fix windows crashes and unwrap UNWIND_HISTORY_TABLE * mmaps -> entries * pass a backtrace in ActionOutcome * add test_trap_stack_overflow * Update cranelift version.