scratch/igc 98b9f58f5f4: Don't use Flength in GC thread

[Gerd Moellmann]

branch: scratch/igc
commit 98b9f58f5f4e9bece077d9f2b75c770097b0166b
Author: Gerd Möllmann <gerd@gnu.org>
Commit: Gerd Möllmann <gerd@gnu.org>

    Don't use Flength in GC thread
---
 src/igc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/igc.c b/src/igc.c
index d0b3e8e3fa6..11b81eac1f9 100644
--- a/src/igc.c
+++ b/src/igc.c
@@ -1450,7 +1450,7 @@ fix_native_cu (mps_ss_t ss, struct Lisp_Native_Comp_Unit 
*u)
   MPS_SCAN_BEGIN (ss)
   {
     IGC_FIX_CALL_FN (ss, struct Lisp_Vector, u, fix_vectorlike);
-    size_t n = XFIXNUM (Flength (u->data_impure_vec));
+    size_t n = ASIZE (u->data_impure_vec);
     IGC_FIX12_NOBJS (ss, u->data_imp_relocs, n);
   }
   MPS_SCAN_END (ss);