Remove ExpnKind::Inlined.

compiler/rustc_middle/src/lint.rs

@@ -468,8 +468,7 @@ pub fn struct_lint_level(
 pub fn in_external_macro(sess: &Session, span: Span) -> bool {
     let expn_data = span.ctxt().outer_expn_data();
     match expn_data.kind {
-        ExpnKind::Inlined
-        | ExpnKind::Root
+        ExpnKind::Root
         | ExpnKind::Desugaring(
             DesugaringKind::ForLoop | DesugaringKind::WhileLoop | DesugaringKind::OpaqueTy,
         ) => false,

compiler/rustc_middle/src/ty/mod.rs

@@ -2488,9 +2488,7 @@ impl<'tcx> TyCtxt<'tcx> {
             && if self.features().collapse_debuginfo {
                 span.in_macro_expansion_with_collapse_debuginfo()
             } else {
-                // Inlined spans should not be collapsed as that leads to all of the
-                // inlined code being attributed to the inline callsite.
-                span.from_expansion() && !span.is_inlined()
+                span.from_expansion()
             }
     }