ignore rustdoc/doc-proc-macro on stage1

Author: QuietMisdreavus

src/test/rustdoc/doc-proc-macro.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-stage1
+
 // Issue #52129: ICE when trying to document the `quote` proc-macro from proc_macro
 
 // As of this writing, we don't currently attempt to document proc-macros. However, we shouldn't