Rollup merge of rust-lang#88860 - nbdd0121:panic, r=m-ou-se

Deduplicate panic_fmt std's begin_panic_fmt and core's panic_fmt are duplicates. Merge them to declutter code and remove a lang item.
flip1995 · Oct 19, 2021 · 30cc96e · 30cc96e
2 parents e84537b + ebf4f03
commit 30cc96e
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diff --git a/clippy_utils/src/higher.rs b/clippy_utils/src/higher.rs
@@ -619,7 +619,6 @@ impl PanicExpn<'tcx> {
             if let Some(init) = block.expr;
             if let ExprKind::Call(_, [format_args]) = init.kind;
             let expn_data = expr.span.ctxt().outer_expn_data();
-            if let ExprKind::AddrOf(_, _, format_args) = format_args.kind;
             if let Some(format_args) = FormatArgsExpn::parse(format_args);
             then {
                 Some(PanicExpn {

diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs
@@ -1646,7 +1646,6 @@ pub fn match_panic_def_id(cx: &LateContext<'_>, did: DefId) -> bool {
         did,
         &[
             &paths::BEGIN_PANIC,
-            &paths::BEGIN_PANIC_FMT,
             &paths::PANIC_ANY,
             &paths::PANICKING_PANIC,
             &paths::PANICKING_PANIC_FMT,

diff --git a/clippy_utils/src/paths.rs b/clippy_utils/src/paths.rs
@@ -20,7 +20,6 @@ pub const ARC_PTR_EQ: [&str; 4] = ["alloc", "sync", "Arc", "ptr_eq"];
 pub const ASMUT_TRAIT: [&str; 3] = ["core", "convert", "AsMut"];
 pub const ASREF_TRAIT: [&str; 3] = ["core", "convert", "AsRef"];
 pub(super) const BEGIN_PANIC: [&str; 3] = ["std", "panicking", "begin_panic"];
-pub(super) const BEGIN_PANIC_FMT: [&str; 3] = ["std", "panicking", "begin_panic_fmt"];
 /// Preferably use the diagnostic item `sym::Borrow` where possible
 pub const BORROW_TRAIT: [&str; 3] = ["core", "borrow", "Borrow"];
 pub const BTREEMAP_CONTAINS_KEY: [&str; 6] = ["alloc", "collections", "btree", "map", "BTreeMap", "contains_key"];