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[Bug tree-optimization/17319] [4.0 Regression] -fno-tree-dce cause ICE
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Sep 2004 09:44:30 -0000
- Subject: [Bug tree-optimization/17319] [4.0 Regression] -fno-tree-dce cause ICE
- References: <20040904133015.17319.hubicka@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-09-17 09:44 -------
Here is the reduced testcase:
typedef unsigned long long HARD_REG_ELT_TYPE;
typedef HARD_REG_ELT_TYPE HARD_REG_SET[2];
static HARD_REG_SET newpat_used_regs;
int try_combine (void)
{
HARD_REG_ELT_TYPE *scan_tp_ = newpat_used_regs;
scan_tp_[0] = 0;
scan_tp_[1] = 0;
}
: Search converges between 2004-07-27-trunk (#496) and 2004-07-28-trunk (#497).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17319