rustc: Convert a fail! to a useful error message.

rust-lang · Jun 7, 2013 · bc81d27 · bc81d27 · bors · Jun 7, 2013
1 parent 0d0c004
commit bc81d27
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/librustc/middle/const_eval.rs b/src/librustc/middle/const_eval.rs
@@ -242,7 +242,7 @@ pub enum const_val {
 pub fn eval_const_expr(tcx: middle::ty::ctxt, e: @expr) -> const_val {
     match eval_const_expr_partial(tcx, e) {
         Ok(ref r) => (/*bad*/copy *r),
-        Err(ref s) => fail!(/*bad*/copy *s)
+        Err(ref s) => tcx.sess.span_fatal(e.span, *s)
     }
 }