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-rw-r--r--compiler/rustc_trait_selection/src/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_trait_selection/src/lib.rs b/compiler/rustc_trait_selection/src/lib.rs
index e1f8d59991f..aea3d8eef65 100644
--- a/compiler/rustc_trait_selection/src/lib.rs
+++ b/compiler/rustc_trait_selection/src/lib.rs
@@ -23,7 +23,7 @@
 
 #[macro_use]
 extern crate rustc_macros;
-#[cfg(target_arch = "x86_64")]
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
 #[macro_use]
 extern crate rustc_data_structures;
 #[macro_use]