X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_parse%2Fsrc%2Fparser%2Fdiagnostics.rs;h=7e11ca57cebdad6b271efb01a5f4f6c0f5d0743c;hb=28d0312b7d47b8bc8fcb4888ca627231715db3cd;hp=828b7d2f2f7be6ea0435fcaec8daf8fce5a7cc98;hpb=4b8f4319954ff2642690b9e5cbe4af352d095bf6;p=rust.git

diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs
index 828b7d2f2f7..7e11ca57ceb 100644
--- a/compiler/rustc_parse/src/parser/diagnostics.rs
+++ b/compiler/rustc_parse/src/parser/diagnostics.rs
@@ -1374,9 +1374,17 @@ fn inc_dec_standalone_suggest(
         kind: IncDecRecovery,
         (pre_span, post_span): (Span, Span),
     ) -> MultiSugg {
+        let mut patches = Vec::new();
+
+        if !pre_span.is_empty() {
+            patches.push((pre_span, String::new()));
+        }
+
+        patches.push((post_span, format!(" {}= 1", kind.op.chr())));
+
         MultiSugg {
             msg: format!("use `{}= 1` instead", kind.op.chr()),
-            patches: vec![(pre_span, String::new()), (post_span, format!(" {}= 1", kind.op.chr()))],
+            patches,
             applicability: Applicability::MachineApplicable,
         }
     }