Reduce diagram mess in 'match arms have incompatible types' error

2020-10-22 14:20:02 -07:00 · 2020-10-22 14:20:02 -07:00 · b0059500f6
commit b0059500f6
parent f82adf5bdb
4 changed files with 38 additions and 28 deletions
--- a/compiler/rustc_typeck/src/check/_match.rs
+++ b/compiler/rustc_typeck/src/check/_match.rs
@ -201,6 +201,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                        expr.span,
                        ObligationCauseCode::MatchExpressionArm(box MatchExpressionArmCause {
                            arm_span,
+                            scrut_span: scrut.span,
                            semi_span,
                            source: match_src,
                            prior_arms: other_arms.clone(),