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-rw-r--r--libguile/vm-i-system.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/libguile/vm-i-system.c b/libguile/vm-i-system.c
index 5468604d2..42f2b1973 100644
--- a/libguile/vm-i-system.c
+++ b/libguile/vm-i-system.c
@@ -230,6 +230,7 @@ VM_DEFINE_INSTRUCTION (21, object_ref, "object-ref", 1, 0, 1)
VM_DEFINE_INSTRUCTION (22, local_ref, "local-ref", 1, 0, 1)
{
PUSH (LOCAL_REF (FETCH ()));
+ ASSERT_BOUND (*sp);
NEXT;
}
@@ -244,6 +245,7 @@ VM_DEFINE_INSTRUCTION (23, external_ref, "external-ref", 1, 0, 1)
}
CHECK_EXTERNAL(e);
PUSH (SCM_CAR (e));
+ ASSERT_BOUND (*sp);
NEXT;
}
@@ -408,12 +410,6 @@ VM_DEFINE_INSTRUCTION (29, toplevel_set, "toplevel-set", 1, 1, 0)
NEXT;
}
-VM_DEFINE_INSTRUCTION (30, externals, "externals", 0, 0, 1)
-{
- PUSH (external);
- NEXT;
-}
-
/*
* branch and jump