1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/ebml.rs b/src/libstd/ebml.rs
index 9b89036eee5..65ce9d8989f 100644
--- a/src/libstd/ebml.rs
+++ b/src/libstd/ebml.rs
@@ -617,7 +617,7 @@ pub mod writer {
     priv impl Encoder {
         // used internally to emit things like the vector length and so on
         fn _emit_tagged_uint(&self, t: EbmlEncoderTag, v: uint) {
-            assert!(v <= 0xFFFF_FFFF_u);
+            assert!(v <= 0xFFFF_FFFF_u); // FIXME(#6130) assert warns on 32-bit
             self.wr_tagged_u32(t as uint, v as u32);
         }