Remove some more usages of guess_head_span

2022-07-08 02:10:15 +00:00
parent 57f7618f62
commit 27b6ab9129
6 changed files with 20 additions and 22 deletions
--- a/compiler/rustc_middle/src/traits/mod.rs
+++ b/compiler/rustc_middle/src/traits/mod.rs
@@ -139,13 +139,8 @@ impl<'tcx> ObligationCause<'tcx> {
        ObligationCause { span, body_id: hir::CRATE_HIR_ID, code: Default::default() }
    }

-    pub fn span(&self, tcx: TyCtxt<'tcx>) -> Span {
+    pub fn span(&self, _tcx: TyCtxt<'tcx>) -> Span {
        match *self.code() {
-            ObligationCauseCode::CompareImplMethodObligation { .. }
-            | ObligationCauseCode::MainFunctionType
-            | ObligationCauseCode::StartFunctionType => {
-                tcx.sess.source_map().guess_head_span(self.span)
-            }
            ObligationCauseCode::MatchExpressionArm(box MatchExpressionArmCause {
                arm_span,
                ..