Rollup merge of #100307 - nnethercote:fix-96847, r=cjgillot

Fix #96847

r? `@petrochenkov`

src/test/ui/json-multiple.stderr

@@ -1 +0,0 @@
-{"artifact":"$TEST_BUILD_DIR/json-multiple/libjson_multiple.rlib","emit":"link"}

src/test/ui/json-options.stderr

@@ -1 +0,0 @@
-{"artifact":"$TEST_BUILD_DIR/json-options/libjson_options.rlib","emit":"link"}

src/test/ui/json/json-multiple.stderr

@@ -0,0 +1 @@
+{"artifact":"$TEST_BUILD_DIR/json/json-multiple/libjson_multiple.rlib","emit":"link"}

src/test/ui/json/json-options.stderr

@@ -0,0 +1 @@
+{"artifact":"$TEST_BUILD_DIR/json/json-options/libjson_options.rlib","emit":"link"}

src/test/ui/lowering/issue-96847.rs

@@ -0,0 +1,14 @@
+// run-pass
+
+// Test that this doesn't abort during AST lowering. In #96847 it did abort
+// because the attribute was being lowered twice.
+
+#![feature(stmt_expr_attributes)]
+#![feature(lang_items)]
+
+fn main() {
+    for _ in [1,2,3] {
+        #![lang="foo"]
+        println!("foo");
+    }
+}