message: Hash trap message symbol nameThis saves ~7% of disk space
diff: +use std::collections::hash_map::DefaultHasher;
  +use std::hash::{Hash, Hasher};
  +
  use crate::prelude::*;
  fn codegen_print(fx: &mut FunctionCx<'_, '_, impl cranelift_module::Backend>, msg: &str) {
  @@ -21,12 +24,15 @@ fn codegen_print(fx: &mut FunctionCx<'_, '_, impl cranelift_module::Backend>, ms
  let symbol_name = fx.tcx.symbol_name(fx.instance);
  let real_msg = format!("trap at {:?} ({}): {}\0", fx.instance, symbol_name, msg);
  + let mut hasher = DefaultHasher::new();
  + real_msg.hash(&mut hasher);
  + let msg_hash = hasher.finish();
  let mut data_ctx = DataContext::new();
  data_ctx.define(real_msg.as_bytes().to_vec().into_boxed_slice());
  let msg_id = fx
  .module
  .declare_data(
  - &(symbol_name.name.as_str().to_string() + msg),
  + &format!("__trap_{:08x}", msg_hash),
  Linkage::Local,
  false,
  false,
  