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-rw-r--r--Cargo.lock1
-rw-r--r--compiler/rustc_parse_format/Cargo.toml1
-rw-r--r--compiler/rustc_parse_format/src/lib.rs4
3 files changed, 6 insertions, 0 deletions
diff --git a/Cargo.lock b/Cargo.lock
index 970b1719aa1..50fc0f1a440 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4148,6 +4148,7 @@ dependencies = [
 name = "rustc_parse_format"
 version = "0.0.0"
 dependencies = [
+ "rustc_data_structures",
  "rustc_lexer",
 ]
 
diff --git a/compiler/rustc_parse_format/Cargo.toml b/compiler/rustc_parse_format/Cargo.toml
index fcc68b3a219..72da398d3fc 100644
--- a/compiler/rustc_parse_format/Cargo.toml
+++ b/compiler/rustc_parse_format/Cargo.toml
@@ -5,3 +5,4 @@ edition = "2021"
 
 [dependencies]
 rustc_lexer = { path = "../rustc_lexer" }
+rustc_data_structures = { path = "../rustc_data_structures" }
diff --git a/compiler/rustc_parse_format/src/lib.rs b/compiler/rustc_parse_format/src/lib.rs
index 4d01f706272..9cbe04c1288 100644
--- a/compiler/rustc_parse_format/src/lib.rs
+++ b/compiler/rustc_parse_format/src/lib.rs
@@ -908,5 +908,9 @@ fn find_skips_from_snippet(
     (skips, true)
 }
 
+// Assert a reasonable size for `Piece`
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
+rustc_data_structures::static_assert_size!(Piece<'_>, 16);
+
 #[cfg(test)]
 mod tests;