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-rw-r--r--compiler/rustc_middle/src/mir/pretty.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs
index 462c0ada3cf..24c6cd91d0a 100644
--- a/compiler/rustc_middle/src/mir/pretty.rs
+++ b/compiler/rustc_middle/src/mir/pretty.rs
@@ -716,12 +716,12 @@ pub fn write_allocations<'tcx>(
                 }
                 write!(w, "{}", display_allocation(tcx, alloc.inner()))
             };
-        write!(w, "\n{}", id)?;
+        write!(w, "\n{id:?}")?;
         match tcx.get_global_alloc(id) {
             // This can't really happen unless there are bugs, but it doesn't cost us anything to
             // gracefully handle it and allow buggy rustc to be debugged via allocation printing.
             None => write!(w, " (deallocated)")?,
-            Some(GlobalAlloc::Function(inst)) => write!(w, " (fn: {})", inst)?,
+            Some(GlobalAlloc::Function(inst)) => write!(w, " (fn: {inst})")?,
             Some(GlobalAlloc::Static(did)) if !tcx.is_foreign_item(did) => {
                 match tcx.eval_static_initializer(did) {
                     Ok(alloc) => {