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-rw-r--r--src/libsyntax/entry.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libsyntax/entry.rs b/src/libsyntax/entry.rs
index b6c5d0066a2..2b4df3186de 100644
--- a/src/libsyntax/entry.rs
+++ b/src/libsyntax/entry.rs
@@ -19,6 +19,8 @@ pub enum EntryPointType {
     OtherMain, // Not an entry point, but some other function named main
 }
 
+// Beware, this is duplicated in librustc/middle/entry.rs, make sure to keep
+// them in sync.
 pub fn entry_point_type(item: &Item, depth: usize) -> EntryPointType {
     match item.node {
         ItemFn(..) => {