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-rw-r--r--src/libsyntax/ast.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index fa6fe347833..808e19d6f12 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -20,6 +20,7 @@ use print::pprust;
 use ptr::P;
 use rustc_data_structures::indexed_vec;
 use rustc_data_structures::indexed_vec::Idx;
+#[cfg(target_arch = "x86_64")]
 use rustc_data_structures::static_assert;
 use rustc_target::spec::abi::Abi;
 use source_map::{dummy_spanned, respan, Spanned};