--- Comment #8 from sam at gcc dot gnu dot org 2009-10-06 11:37 ---
The issue is no longer present in trunk. Closing as fixed.
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sam at gcc dot gnu dot org changed:
What|Removed |Added
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sam at gcc dot gnu dot org changed:
What|Removed |Added
GCC target triplet|4.5.0 |
Target Milestone|--- |4.5.0
--- Comment #5 from pinskia at gcc dot gnu dot org 2008-08-10 20:17 ---
(In reply to comment #4)
The warning is likely to come from tree-vrp.c.
The only place which emits this warning is from c-common.c so I think someone
needs to debug this a little bit. Place a breakpoint on
--- Comment #6 from sam at gcc dot gnu dot org 2008-08-10 20:30 ---
Subject: Re: Bogus warning from GCC
The warning is likely to come from tree-vrp.c.
The only place which emits this warning is from c-common.c so I
think someone needs to debug this a little bit. Place a
--- Comment #7 from pinskia at gcc dot gnu dot org 2008-08-10 20:34 ---
Oh I see it now:
/* If the comparison is being folded and the operand on the LHS
is being compared against a constant value that is outside of
the natural range of OP0's type, then the
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pinskia at gcc dot gnu dot org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last
--- Comment #1 from sam at gcc dot gnu dot org 2008-08-06 14:49 ---
(read the line containing 'Val, not 'Pos)
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37038
--- Comment #2 from sam at gcc dot gnu dot org 2008-08-06 15:39 ---
The warning comes from a range check which is emitted by Gigi. The backend
knows that this check is useless, and warns about it. As far as I can tell,
there is no way to suppress the warning in shorten_compare
Sent from my iPhone
On Aug 6, 2008, at 8:39, sam at gcc dot gnu dot org [EMAIL PROTECTED]
wrote:
--- Comment #2 from sam at gcc dot gnu dot org 2008-08-06 15:39
---
The warning comes from a range check which is emitted by Gigi. The
backend
knows that this check is useless,
--- Comment #3 from pinskia at gmail dot com 2008-08-06 15:46 ---
Subject: Re: Bogus warning from GCC
Sent from my iPhone
On Aug 6, 2008, at 8:39, sam at gcc dot gnu dot org [EMAIL PROTECTED]
wrote:
--- Comment #2 from sam at gcc dot gnu dot org 2008-08-06 15:39
--- Comment #4 from sam at gcc dot gnu dot org 2008-08-06 16:57 ---
Andrew, you're right, I got confused by the build_binary_op() which is present
both in ada/gcc-interface/utils2.c and c-typeck.c, and that the warning appears
as is in c-common.c.
The warning is likely to come from
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