rustdoc-json: Remove false docs and add test for inline attribute

The docs about how `#[inline]` was represented isn't true. Updates the
comment, and adds a test.

CC https://www.github.com/rust-lang/rust/issues/137645

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/rustdoc-json/attrs/inline.rs b/tests/rustdoc-json/attrs/inline.rs
new file mode 100644
index 00000000000..74f5f36f03f
--- /dev/null
+++ b/tests/rustdoc-json/attrs/inline.rs
@@ -0,0 +1,11 @@
+//@ is "$.index[?(@.name=='just_inline')].attrs" '["#[inline]"]'
+#[inline]
+pub fn just_inline() {}
+
+//@ is "$.index[?(@.name=='inline_always')].attrs" '["#[inline(always)]"]'
+#[inline(always)]
+pub fn inline_always() {}
+
+//@ is "$.index[?(@.name=='inline_never')].attrs" '["#[inline(never)]"]'
+#[inline(never)]
+pub fn inline_never() {}