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-rw-r--r--libguile/vm-i-system.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libguile/vm-i-system.c b/libguile/vm-i-system.c
index a105c52d9..18e9a781b 100644
--- a/libguile/vm-i-system.c
+++ b/libguile/vm-i-system.c
@@ -631,6 +631,10 @@ VM_DEFINE_INSTRUCTION (40, goto_args, "goto/args", 1, -1, 1)
CONS (external, SCM_UNDEFINED, external);
SCM_FRAME_DATA_ADDRESS (fp)[0] = external;
+ /* Init locals to valid SCM values */
+ for (i = 0; i < bp->nlocs; i++)
+ LOCAL_SET (i + bp->nargs, SCM_UNDEFINED);
+
/* Call itself */
ip = bp->base;
APPLY_HOOK ();