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-rw-r--r--include/fibheap.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/fibheap.h b/include/fibheap.h
index fc37f9ef635..4eebaf13ba6 100644
--- a/include/fibheap.h
+++ b/include/fibheap.h
@@ -59,8 +59,13 @@ typedef struct fibnode
struct fibnode *right;
fibheapkey_t key;
void *data;
+#ifdef __GNUC__
+ __extension__ unsigned long int degree : 31;
+ __extension__ unsigned long int mark : 1;
+#else
unsigned int degree : 31;
unsigned int mark : 1;
+#endif
} *fibnode_t;
extern fibheap_t fibheap_new PARAMS ((void));