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-rw-r--r--module/language/cps/compile-bytecode.scm2
1 files changed, 2 insertions, 0 deletions
diff --git a/module/language/cps/compile-bytecode.scm b/module/language/cps/compile-bytecode.scm
index ed2514864..2e3697bdf 100644
--- a/module/language/cps/compile-bytecode.scm
+++ b/module/language/cps/compile-bytecode.scm
@@ -271,6 +271,8 @@
(from-sp (slot expected)) (from-sp (slot desired))))
(($ $primcall 'untag-fixnum #f (src))
(emit-untag-fixnum asm (from-sp dst) (from-sp (slot src))))
+ (($ $primcall 'tag-fixnum #f (src))
+ (emit-tag-fixnum asm (from-sp dst) (from-sp (slot src))))
(($ $primcall name #f args)
;; FIXME: Inline all the cases.
(let ((inst (prim-instruction name)))