Make the compiler emit an error if the crate graph contains two crates with the same crate-name and crate-salt but different SVHs.

1 files changed, 7 insertions, 4 deletions

diff --git a/src/librustc_plugin/load.rs b/src/librustc_plugin/load.rs
index a950198a4e4..ac40215bbb1 100644
--- a/src/librustc_plugin/load.rs
+++ b/src/librustc_plugin/load.rs
@@ -44,9 +44,12 @@ fn call_malformed_plugin_attribute(a: &Session, b: Span) {
 }
 
 /// Read plugin metadata and dynamically load registrar functions.
-pub fn load_plugins(sess: &Session, cstore: &CStore, krate: &ast::Crate,
+pub fn load_plugins(sess: &Session,
+                    cstore: &CStore,
+                    krate: &ast::Crate,
+                    crate_name: &str,
                     addl_plugins: Option<Vec<String>>) -> Vec<PluginRegistrar> {
-    let mut loader = PluginLoader::new(sess, cstore);
+    let mut loader = PluginLoader::new(sess, cstore, crate_name);
 
     for attr in &krate.attrs {
         if !attr.check_name("plugin") {
@@ -82,10 +85,10 @@ pub fn load_plugins(sess: &Session, cstore: &CStore, krate: &ast::Crate,
 }
 
 impl<'a> PluginLoader<'a> {
-    fn new(sess: &'a Session, cstore: &'a CStore) -> PluginLoader<'a> {
+    fn new(sess: &'a Session, cstore: &'a CStore, crate_name: &str) -> PluginLoader<'a> {
         PluginLoader {
             sess: sess,
-            reader: CrateReader::new(sess, cstore),
+            reader: CrateReader::new(sess, cstore, crate_name),
             plugins: vec![],
         }
     }