Auto merge of #81498 - thomaseizinger:ice-workaround-56935-rustc-inde…

…x, r=matthewjasper Apply workaround from #72003 for #56935 to allow for cross-compilation of `rustc_index` crate This patch applies the same workaround as #72003 to the `rustc_index` crate. This allows recent versions of rustfmt to compile to wasm again. Related: #72017.
rust-lang · Feb 7, 2021 · 43e1ea2 · 43e1ea2
2 parents 323fb71 + ff00ef4
commit 43e1ea2
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/compiler/rustc_index/src/lib.rs b/compiler/rustc_index/src/lib.rs
@@ -8,3 +8,7 @@
 
 pub mod bit_set;
 pub mod vec;
+
+// FIXME(#56935): Work around ICEs during cross-compilation.
+#[allow(unused)]
+extern crate rustc_macros;