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jnthn/gist:6818287

Created October 3, 2013 22:46
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diff --git a/src/6model/reprs/P6opaque.c b/src/6model/reprs/P6opaque.c
index acbfa96..db21971 100644
--- a/src/6model/reprs/P6opaque.c
+++ b/src/6model/reprs/P6opaque.c
@@ -383,6 +383,8 @@ static void bind_attribute(MVMThreadContext *tc, MVMSTable *st, MVMObject *root,
break;
}
case MVM_reg_str: {
+ if (value_reg.s && ((MVMObject *)value_reg.s)->st->REPR->ID != MVM_REPR_ID_MVMString)
+ MVM_exception_throw_adhoc(tc, "P6opaque: string is not a string");
if (attr_st)
attr_st->REPR->box_funcs.set_str(tc, attr_st, root,
(char *)data + repr_data->attribute_offsets[slot],
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