Rollup merge of #52019 - michaelwoerister:cross-lto-auto-plugin, r=alexcrichton

[rust.git] / src / librustc / session / config.rs

diff --git a/src/librustc/session/config.rs b/src/librustc/session/config.rs
index c349def865af672e75a3aa9580002bac20d9d8b2..fdd791c5edac5844a9c8a91f5abe9acfa5a97a04 100644 (file)
--- a/src/librustc/session/config.rs
+++ b/src/librustc/session/config.rs
@@ -1972,6 +1972,13 @@ pub fn build_session_options_and_crate_config(
         );
     }
 
+    if debugging_opts.profile && incremental.is_some() {
+        early_error(
+            error_format,
+            "can't instrument with gcov profiling when compiling incrementally",
+        );
+    }
+
     let mut prints = Vec::<PrintRequest>::new();
     if cg.target_cpu.as_ref().map_or(false, |s| s == "help") {
         prints.push(PrintRequest::TargetCPUs);