Rollup merge of rust-lang#119240 - compiler-errors:lang-item-more, r=petrochenkov

Make some non-diagnostic-affecting `QPath::LangItem` into regular `QPath`s

The rest of 'em affect diagnostics, so leave them alone... for now.

cc rust-lang#115178

Author: compiler-errors

tests/ui/author/macro_in_closure.stdout

@@ -12,6 +12,7 @@ if let StmtKind::Local(local) = stmt.kind
     && args.len() == 1
     && let ExprKind::Call(func1, args1) = args[0].kind
     && let ExprKind::Path(ref qpath1) = func1.kind
+    && match_qpath(qpath1, &["format_arguments", "new_v1"])
     && args1.len() == 2
     && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner) = args1[0].kind
     && let ExprKind::Array(elements) = inner.kind
@@ -27,6 +28,7 @@ if let StmtKind::Local(local) = stmt.kind
     && elements1.len() == 1
     && let ExprKind::Call(func2, args2) = elements1[0].kind
     && let ExprKind::Path(ref qpath2) = func2.kind
+    && match_qpath(qpath2, &["format_argument", "new_display"])
     && args2.len() == 1
     && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner2) = args2[0].kind
     && let ExprKind::Path(ref qpath3) = inner2.kind

tests/ui/author/macro_in_loop.stdout

@@ -22,6 +22,7 @@ if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::Fo
     && args.len() == 1
     && let ExprKind::Call(func1, args1) = args[0].kind
     && let ExprKind::Path(ref qpath2) = func1.kind
+    && match_qpath(qpath2, &["format_arguments", "new_v1"])
     && args1.len() == 2
     && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner) = args1[0].kind
     && let ExprKind::Array(elements) = inner.kind
@@ -37,6 +38,7 @@ if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::Fo
     && elements1.len() == 1
     && let ExprKind::Call(func2, args2) = elements1[0].kind
     && let ExprKind::Path(ref qpath3) = func2.kind
+    && match_qpath(qpath3, &["format_argument", "new_display"])
     && args2.len() == 1
     && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner2) = args2[0].kind
     && let ExprKind::Path(ref qpath4) = inner2.kind