diff options
Diffstat (limited to 'libguile/vm-i-system.c')
-rw-r--r-- | libguile/vm-i-system.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libguile/vm-i-system.c b/libguile/vm-i-system.c index e1aedd7cd..5b40c1b9d 100644 --- a/libguile/vm-i-system.c +++ b/libguile/vm-i-system.c @@ -1612,7 +1612,15 @@ VM_DEFINE_INSTRUCTION (91, fluid_ref, "fluid-ref", 0, 1, 1) *sp = scm_fluid_ref (*sp); } else - *sp = SCM_SIMPLE_VECTOR_REF (fluids, num); + { + SCM val = SCM_SIMPLE_VECTOR_REF (fluids, num); + if (SCM_UNLIKELY (val == SCM_UNDEFINED)) + { + finish_args = *sp; + goto vm_error_unbound_fluid; + } + *sp = val; + } NEXT; } |