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[Bug rtl-optimization/37435] New: [4.4 regression] ICE with volatiles
- From: "reichelt at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Sep 2008 22:06:10 -0000
- Subject: [Bug rtl-optimization/37435] New: [4.4 regression] ICE with volatiles
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
The following code snippet triggers an ICE on mainline (i686-pc-linux-gnu)
when compiled with "-O2 -fPIC":
=========================
volatile _Decimal32 d;
volatile int i;
void foo()
{
d += i;
d += i;
}
=========================
bug.c: In function 'foo':
bug.c:8: internal compiler error: in eliminate_regs_in_insn, at reload1.c:3180
Please submit a full bug report, [etc.]
The regression was introduced between 2008-08-23 and 2008-08-29.
--
Summary: [4.4 regression] ICE with volatiles
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, monitored
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: reichelt at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37435