rustdoc JSON: Fix ICE with `pub extern crate self as <self_crate_name>`

2 files changed, 13 insertions, 2 deletions

diff --git a/src/librustdoc/json/mod.rs b/src/librustdoc/json/mod.rs
index 6364d00d062..7b1b059e14d 100644
--- a/src/librustdoc/json/mod.rs
+++ b/src/librustdoc/json/mod.rs
@@ -209,11 +209,11 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> {
                 }
 
                 types::ItemEnum::Method(_)
+                | types::ItemEnum::Module(_)
                 | types::ItemEnum::AssocConst { .. }
                 | types::ItemEnum::AssocType { .. }
                 | types::ItemEnum::PrimitiveType(_) => true,
-                types::ItemEnum::Module(_)
-                | types::ItemEnum::ExternCrate { .. }
+                types::ItemEnum::ExternCrate { .. }
                 | types::ItemEnum::Import(_)
                 | types::ItemEnum::StructField(_)
                 | types::ItemEnum::Variant(_)
diff --git a/src/test/rustdoc-json/reexport/export_extern_crate_as_self.rs b/src/test/rustdoc-json/reexport/export_extern_crate_as_self.rs
new file mode 100644
index 00000000000..fda38056a09
--- /dev/null
+++ b/src/test/rustdoc-json/reexport/export_extern_crate_as_self.rs
@@ -0,0 +1,11 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/100531>
+
+#![feature(no_core)]
+#![no_core]
+
+#![crate_name = "export_extern_crate_as_self"]
+
+// ignore-tidy-linelength
+
+// @is export_extern_crate_as_self.json "$.index[*][?(@.kind=='module')].name" \"export_extern_crate_as_self\"
+pub extern crate self as export_extern_crate_as_self; // Must be the same name as the crate already has