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-rw-r--r--compiler/rustc_codegen_ssa/src/mir/block.rs11
-rw-r--r--compiler/rustc_codegen_ssa/src/traits/builder.rs10
2 files changed, 6 insertions, 15 deletions
diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs
index 3db6bc5b426..02e7bb05b77 100644
--- a/compiler/rustc_codegen_ssa/src/mir/block.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/block.rs
@@ -83,11 +83,8 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> {
             // Cross-funclet jump - need a trampoline
             debug_assert!(base::wants_new_eh_instructions(fx.cx.tcx().sess));
             debug!("llbb_with_cleanup: creating cleanup trampoline for {:?}", target);
-            let trampoline_llbb = Bx::append_block(
-                fx.cx,
-                fx.llfn,
-                format_args!("{:?}_cleanup_trampoline_{:?}", self.bb, target),
-            );
+            let name = &format!("{:?}_cleanup_trampoline_{:?}", self.bb, target);
+            let trampoline_llbb = Bx::append_block(fx.cx, fx.llfn, name);
             let mut trampoline_bx = Bx::build(fx.cx, trampoline_llbb);
             trampoline_bx.cleanup_ret(self.funclet(fx).unwrap(), Some(lltarget));
             trampoline_llbb
@@ -1568,7 +1565,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
     fn landing_pad_for_uncached(&mut self, bb: mir::BasicBlock) -> Bx::BasicBlock {
         let llbb = self.llbb(bb);
         if base::wants_new_eh_instructions(self.cx.sess()) {
-            let cleanup_bb = Bx::append_block(self.cx, self.llfn, format_args!("funclet_{bb:?}"));
+            let cleanup_bb = Bx::append_block(self.cx, self.llfn, &format!("funclet_{bb:?}"));
             let mut cleanup_bx = Bx::build(self.cx, cleanup_bb);
             let funclet = cleanup_bx.cleanup_pad(None, &[]);
             cleanup_bx.br(llbb);
@@ -1691,7 +1688,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
     pub fn try_llbb(&mut self, bb: mir::BasicBlock) -> Option<Bx::BasicBlock> {
         match self.cached_llbbs[bb] {
             CachedLlbb::None => {
-                let llbb = Bx::append_block(self.cx, self.llfn, format_args!("{bb:?}"));
+                let llbb = Bx::append_block(self.cx, self.llfn, &format!("{bb:?}"));
                 self.cached_llbbs[bb] = CachedLlbb::Some(llbb);
                 Some(llbb)
             }
diff --git a/compiler/rustc_codegen_ssa/src/traits/builder.rs b/compiler/rustc_codegen_ssa/src/traits/builder.rs
index 49c3101bc5e..36f37e3791b 100644
--- a/compiler/rustc_codegen_ssa/src/traits/builder.rs
+++ b/compiler/rustc_codegen_ssa/src/traits/builder.rs
@@ -22,8 +22,6 @@ use rustc_target::abi::call::FnAbi;
 use rustc_target::abi::{Abi, Align, Scalar, Size, WrappingRange};
 use rustc_target::spec::HasTargetSpec;
 
-use std::fmt::Display;
-
 #[derive(Copy, Clone)]
 pub enum OverflowOp {
     Add,
@@ -51,13 +49,9 @@ pub trait BuilderMethods<'a, 'tcx>:
     fn set_span(&mut self, span: Span);
 
     // FIXME(eddyb) replace uses of this with `append_sibling_block`.
-    fn append_block(
-        cx: &'a Self::CodegenCx,
-        llfn: Self::Function,
-        name: impl Display,
-    ) -> Self::BasicBlock;
+    fn append_block(cx: &'a Self::CodegenCx, llfn: Self::Function, name: &str) -> Self::BasicBlock;
 
-    fn append_sibling_block(&mut self, name: impl Display) -> Self::BasicBlock;
+    fn append_sibling_block(&mut self, name: &str) -> Self::BasicBlock;
 
     fn switch_to_block(&mut self, llbb: Self::BasicBlock);