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egcs/gcc/tree.c
- To: egcs-patches at egcs dot cygnus dot com
- Subject: egcs/gcc/tree.c
- From: craig at jcb-sc dot com
- Date: 3 Apr 1999 20:46:00 -0000
- Cc: craig at jcb-sc dot com
Ok to commit?
tq vm, (burley)
Sat Apr 3 15:44:50 1999 Craig Burley <craig@jcb-sc.com>
* tree.c (chainon): Don't check for circularity if
ENABLE_CHECKING is defined.
*** g77-e/gcc/tree.c.~1~ Sun Mar 28 05:47:36 1999
--- g77-e/gcc/tree.c Sat Apr 3 15:44:26 1999
*************** chainon (op1, op2)
*** 1957,1963 ****
--- 1957,1965 ----
;
TREE_CHAIN (t1) = op2;
+ #ifdef ENABLE_CHECKING
for (t2 = op2; t2; t2 = TREE_CHAIN (t2))
if (t2 == t1)
abort (); /* Circularity created. */
+ #endif
return op1;
}