aligns fix

1 files changed, 2 insertions, 1 deletions

diff --git a/src/llvm.cff b/src/llvm.cff
index 81fe056..a81bea4 100644
--- a/src/llvm.cff
+++ b/src/llvm.cff
@@ -231,7 +231,8 @@ fn genaddr(f *Fn, ex *Expr) Value {
 
    case Dot dot;
       let lhs = dot.lhs.ty->is(:Ptr) ? genexpr(f, dot.lhs) : genaddr(f, dot.lhs);
-      assert(dot.fld.off % dot.fld.ty.align == 0, "field align");
+      assert(dot.fld.off % dot.fld.ty.align == 0, "field align %s %zu %zu",
+             dot.fld.name, dot.fld.off, dot.fld.ty.align);
       let idx int #?;
       if dot.lhs.ty->is(:Ptr) {
          idx = dot.fld - dot.lhs.ty.u.Ptr.u.Agg.flds.#ptr;