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-rw-r--r--libguile/gdbint.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/gdbint.c b/libguile/gdbint.c
index 1ce183094..ce07314de 100644
--- a/libguile/gdbint.c
+++ b/libguile/gdbint.c
@@ -169,7 +169,7 @@ int
gdb_maybe_valid_type_p (SCM value)
{
if (SCM_IMP (value) || scm_cellp (value))
- return scm_tag (value) != SCM_MAKINUM (-1);
+ return (! SCM_EQ_P (scm_tag (value), SCM_MAKINUM (-1)));
return 0;
}