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-rw-r--r--libguile/inline.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/libguile/inline.h b/libguile/inline.h
index 5337c90a5..122455cee 100644
--- a/libguile/inline.h
+++ b/libguile/inline.h
@@ -73,8 +73,12 @@ scm_cell (scm_t_bits car, scm_t_bits cdr)
{
SCM cell = SCM_PACK ((scm_t_bits) (GC_malloc (sizeof (scm_t_cell))));
- SCM_GC_SET_CELL_WORD (cell, 0, car);
+ /* Initialize the type slot last so that the cell is ignored by the GC
+ until it is completely initialized. This is only relevant when the GC
+ can actually run during this code, which it can't since the GC only runs
+ when all other threads are stopped. */
SCM_GC_SET_CELL_WORD (cell, 1, cdr);
+ SCM_GC_SET_CELL_WORD (cell, 0, car);
return cell;
}