Remove leftover mentions of from_anon_const

Author: oli-obk

src/librustc/mir/interpret/mod.rs

@@ -151,7 +151,7 @@ pub struct LitToConstInput<'tcx> {
 pub enum LitToConstError {
     /// The literal's inferred type did not match the expected `ty` in the input.
     /// This is used for graceful error handling (`delay_span_bug`) in
-    /// type checking (`AstConv::ast_const_to_const`).
+    /// type checking (`Const::from_anon_const`).
     TypeError,
     UnparseableFloat,
     Reported,

src/librustc/ty/sty.rs

@@ -2435,7 +2435,7 @@ impl<'tcx> Const<'tcx> {
             if let Ok(c) = tcx.at(expr.span).lit_to_const(lit_input) {
                 return c;
             } else {
-                tcx.sess.delay_span_bug(expr.span, "ast_const_to_const: couldn't lit_to_const");
+                tcx.sess.delay_span_bug(expr.span, "Const::from_anon_const: couldn't lit_to_const");
             }
         }
 

src/test/ui/consts/issue-69310-array-size-lit-wrong-ty.rs

@@ -3,7 +3,7 @@
 // we call the query `lit_to_const(input);`.
 // However, the literal `input.lit` would not be of the type expected by `input.ty`.
 // As a result, we immediately called `bug!(...)` instead of bubbling up the problem
-// so that it could be handled by the caller of `lit_to_const` (`ast_const_to_const`).
+// so that it could be handled by the caller of `lit_to_const` (`from_anon_const`).
 
 fn main() {}