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[Bug bootstrap/35706] [4.4 Regression]: Gcc failed to bootstrap
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 Mar 2008 21:51:13 -0000
- Subject: [Bug bootstrap/35706] [4.4 Regression]: Gcc failed to bootstrap
- References: <bug-35706-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from rguenth at gcc dot gnu dot org 2008-03-26 21:51 -------
Hm, fold_binary_to_constant (LT_EXPR, boolean_type_node, &"raw_"[0], &""[0])
returns "raw_" < "" (which has TREE_CONSTANT set). tree-vrp.c:operand_less_p
doesn't expect that, but only expects 0 or non-0:
tcmp = fold_binary_to_constant (LT_EXPR, boolean_type_node, val, val2);
if (!tcmp)
return -2;
if (!integer_zerop (tcmp))
return 1;
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35706