Rollup merge of #105255 - cjgillot:issue-105197, r=compiler-errors

[rust.git] / compiler / rustc_expand / src / base.rs

diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs
index 9fe5d588b1f5da117c54516eeb33c6110577ab89..13e2d1ebbe7869530fc7e514d3884e3f6dd55926 100644 (file)
--- a/compiler/rustc_expand/src/base.rs
+++ b/compiler/rustc_expand/src/base.rs
@@ -16,6 +16,7 @@
 use rustc_lint_defs::builtin::PROC_MACRO_BACK_COMPAT;
 use rustc_lint_defs::{BufferedEarlyLint, BuiltinLintDiagnostics};
 use rustc_parse::{self, parser, MACRO_ARGUMENTS};
+use rustc_session::errors::report_lit_error;
 use rustc_session::{parse::ParseSess, Limit, Session};
 use rustc_span::def_id::{CrateNum, DefId, LocalDefId};
 use rustc_span::edition::Edition;
@@ -1245,7 +1246,10 @@ pub fn expr_to_spanned_string<'a>(
                 Some((err, true))
             }
             Ok(ast::LitKind::Err) => None,
-            Err(_) => None,
+            Err(err) => {
+                report_lit_error(&cx.sess.parse_sess, err, token_lit, expr.span);
+                None
+            }
             _ => Some((cx.struct_span_err(expr.span, err_msg), false)),
         },
         ast::ExprKind::Err => None,