From 97cdf3eb0e766e375b04a0b9bc1184299e6f0404 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lauren=C8=9Biu=20Nicola?= <lnicola@dend.ro>
Date: Fri, 6 May 2022 09:46:02 +0300
Subject: [PATCH] Try not to invalidate our state when the proc macro
 preference didn't change

---
 crates/rust-analyzer/src/reload.rs | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/crates/rust-analyzer/src/reload.rs b/crates/rust-analyzer/src/reload.rs
index c2a6a3fe30..c2a521bbf5 100644
--- a/crates/rust-analyzer/src/reload.rs
+++ b/crates/rust-analyzer/src/reload.rs
@@ -55,10 +55,13 @@ impl GlobalState {
             self.reload_flycheck();
         }
 
-        // Apply experimental feature flags.
-        self.analysis_host
-            .raw_database_mut()
-            .set_enable_proc_attr_macros(self.config.expand_proc_attr_macros());
+        if self.analysis_host.raw_database().enable_proc_attr_macros()
+            != self.config.expand_proc_attr_macros()
+        {
+            self.analysis_host
+                .raw_database_mut()
+                .set_enable_proc_attr_macros(self.config.expand_proc_attr_macros());
+        }
     }
 
     pub(crate) fn current_status(&self) -> lsp_ext::ServerStatusParams {