witx layout: fix calculation of union size

WebAssembly · Dec 20, 2019 · 5158f0f · 5158f0f
1 parent 448bd07
commit 5158f0f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/tools/witx/src/layout.rs b/tools/witx/src/layout.rs
@@ -148,6 +148,7 @@ impl UnionDatatype {
             .map(|sa| sa.align)
             .max()
             .expect("nonzero variants");
+        let size = align_to(size, align);
         SizeAlign { size, align }
     }
 }