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* [Bug c++/29059] New: [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];)
@ 2006-09-13 8:24 tbm at gcc dot gnu dot org
2006-09-13 16:17 ` [Bug c++/29059] " pinskia at gcc dot gnu dot org
` (8 more replies)
0 siblings, 9 replies; 10+ messages in thread
From: tbm at gcc dot gnu dot org @ 2006-09-13 8:24 UTC (permalink / raw)
To: gcc-bugs
Compiling as C works, C++ fails. This worked with 20060823.
(sid)118:tbm@em64t: ~] /usr/lib/gcc-snapshot/bin/g++ -c -O re-ru32un.c
re-ru32un.c: In function 'void LoadUserAlph(char*)':
re-ru32un.c:4: error: invalid operand to unary operator
""[0];
re-ru32un.c:4: internal compiler error: verify_stmts failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.1/README.Bugs>.
zsh: exit 1 /usr/lib/gcc-snapshot/bin/g++ -c -O re-ru32un.c
(sid)119:tbm@em64t: ~] /usr/lib/gcc-snapshot/bin/g++ -c re-ru32un.c
(sid)120:tbm@em64t: ~] /usr/lib/gcc-snapshot/bin/gcc -c -O re-ru32un.c
(sid)121:tbm@em64t: ~] cat re-ru32un.c
extern char *strcpy (char *__restrict __dest, __const char *__restrict __src);
char wrkstr_un[270];
extern void
LoadUserAlph (char *s)
{
s = wrkstr_un;
strcpy (s, "");
};
--
Summary: [4.2 regression] ICE: verify_stmts failed (invalid
operand to unary operator ""[0];)
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tbm at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29059
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug c++/29059] [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];)
2006-09-13 8:24 [Bug c++/29059] New: [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];) tbm at gcc dot gnu dot org
@ 2006-09-13 16:17 ` pinskia at gcc dot gnu dot org
2006-09-13 18:13 ` janis at gcc dot gnu dot org
` (7 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2006-09-13 16:17 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from pinskia at gcc dot gnu dot org 2006-09-13 16:17 -------
Confirmed.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |pinskia at gcc dot gnu dot
| |org
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Keywords| |ice-checking, ice-on-valid-
| |code
Last reconfirmed|0000-00-00 00:00:00 |2006-09-13 16:17:26
date| |
Target Milestone|--- |4.2.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29059
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug c++/29059] [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];)
2006-09-13 8:24 [Bug c++/29059] New: [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];) tbm at gcc dot gnu dot org
2006-09-13 16:17 ` [Bug c++/29059] " pinskia at gcc dot gnu dot org
@ 2006-09-13 18:13 ` janis at gcc dot gnu dot org
2006-09-13 18:34 ` pinskia at gcc dot gnu dot org
` (6 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: janis at gcc dot gnu dot org @ 2006-09-13 18:13 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from janis at gcc dot gnu dot org 2006-09-13 18:13 -------
A regression hunt on powerpc-linux identified the following patch:
http://gcc.gnu.org/viewcvs?view=rev&rev=116656
r116656 | jakub | 2006-09-02 06:55:09 +0000 (Sat, 02 Sep 2006)
Interestingly enough, I've been looking into runtime failures in FreePOOMA that
started with the same patch.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29059
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug c++/29059] [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];)
2006-09-13 8:24 [Bug c++/29059] New: [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];) tbm at gcc dot gnu dot org
2006-09-13 16:17 ` [Bug c++/29059] " pinskia at gcc dot gnu dot org
2006-09-13 18:13 ` janis at gcc dot gnu dot org
@ 2006-09-13 18:34 ` pinskia at gcc dot gnu dot org
2006-09-13 21:33 ` tbm at cyrius dot com
` (5 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2006-09-13 18:34 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from pinskia at gcc dot gnu dot org 2006-09-13 18:34 -------
(In reply to comment #2)
> A regression hunt on powerpc-linux identified the following patch:
This is what I was expecting actually, I might look at this later, we might
just need a fold (read from constant string) so we can fold ""[0] correctly.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29059
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug c++/29059] [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];)
2006-09-13 8:24 [Bug c++/29059] New: [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];) tbm at gcc dot gnu dot org
` (2 preceding siblings ...)
2006-09-13 18:34 ` pinskia at gcc dot gnu dot org
@ 2006-09-13 21:33 ` tbm at cyrius dot com
2006-09-14 4:11 ` pinskia at gcc dot gnu dot org
` (4 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: tbm at cyrius dot com @ 2006-09-13 21:33 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from tbm at cyrius dot com 2006-09-13 21:33 -------
Here's a C testcase:
tbm@coconut0:~$ /usr/lib/gcc-snapshot/bin/gcc -c -O -Wwrite-strings
bsdgames-input.c
bsdgames-input.c: In function 'rezero':
bsdgames-input.c:15: error: invalid operand to unary operator
""[0];
bsdgames-input.c:15: internal compiler error: verify_stmts failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.1/README.Bugs>.
tbm@coconut0:~$ cat bsdgames-input.c
extern char *strcpy (char *__restrict __dest, __const char *__restrict __src)
__attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2)));
typedef struct
{
}
RULE;
typedef struct
{
char str[20];
}
STACK;
STACK stack[15];
int level;
rezero ()
{
level = 0;
strcpy (stack[level].str, "");
}
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29059
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug c++/29059] [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];)
2006-09-13 8:24 [Bug c++/29059] New: [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];) tbm at gcc dot gnu dot org
` (3 preceding siblings ...)
2006-09-13 21:33 ` tbm at cyrius dot com
@ 2006-09-14 4:11 ` pinskia at gcc dot gnu dot org
2006-09-14 4:12 ` pinskia at gcc dot gnu dot org
` (3 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2006-09-14 4:11 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from pinskia at gcc dot gnu dot org 2006-09-14 04:11 -------
*** Bug 29070 has been marked as a duplicate of this bug. ***
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tbm at cyrius dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29059
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug c++/29059] [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];)
2006-09-13 8:24 [Bug c++/29059] New: [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];) tbm at gcc dot gnu dot org
` (4 preceding siblings ...)
2006-09-14 4:11 ` pinskia at gcc dot gnu dot org
@ 2006-09-14 4:12 ` pinskia at gcc dot gnu dot org
2006-09-16 22:52 ` [Bug tree-optimization/29059] " pinskia at gcc dot gnu dot org
` (2 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2006-09-14 4:12 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from pinskia at gcc dot gnu dot org 2006-09-14 04:12 -------
Mine I have a patch.
set_rhs forgets to reject MODIFY_EXPRs right away.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |pinskia at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29059
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/29059] [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];)
2006-09-13 8:24 [Bug c++/29059] New: [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];) tbm at gcc dot gnu dot org
` (5 preceding siblings ...)
2006-09-14 4:12 ` pinskia at gcc dot gnu dot org
@ 2006-09-16 22:52 ` pinskia at gcc dot gnu dot org
2006-09-16 22:52 ` pinskia at gcc dot gnu dot org
2007-06-26 11:49 ` jakub at gcc dot gnu dot org
8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2006-09-16 22:52 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from pinskia at gcc dot gnu dot org 2006-09-16 22:52 -------
Fixed.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29059
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/29059] [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];)
2006-09-13 8:24 [Bug c++/29059] New: [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];) tbm at gcc dot gnu dot org
` (6 preceding siblings ...)
2006-09-16 22:52 ` [Bug tree-optimization/29059] " pinskia at gcc dot gnu dot org
@ 2006-09-16 22:52 ` pinskia at gcc dot gnu dot org
2007-06-26 11:49 ` jakub at gcc dot gnu dot org
8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2006-09-16 22:52 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from pinskia at gcc dot gnu dot org 2006-09-16 22:52 -------
Subject: Bug 29059
Author: pinskia
Date: Sat Sep 16 22:52:11 2006
New Revision: 116997
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116997
Log:
2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/29059
* gcc.c-torture/compile/strcpy-1.c: New test.
* gcc.c-torture/compile/strcpy-2.c: New test.
* gcc.c-torture/compile/memcpy-1.c: New test.
* gcc.c-torture/compile/memcpy-2.c: New test.
2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/29059
* tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
away for the expr argument.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/memcpy-1.c
trunk/gcc/testsuite/gcc.c-torture/compile/memcpy-2.c
trunk/gcc/testsuite/gcc.c-torture/compile/strcpy-1.c
trunk/gcc/testsuite/gcc.c-torture/compile/strcpy-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-propagate.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29059
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/29059] [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];)
2006-09-13 8:24 [Bug c++/29059] New: [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];) tbm at gcc dot gnu dot org
` (7 preceding siblings ...)
2006-09-16 22:52 ` pinskia at gcc dot gnu dot org
@ 2007-06-26 11:49 ` jakub at gcc dot gnu dot org
8 siblings, 0 replies; 10+ messages in thread
From: jakub at gcc dot gnu dot org @ 2007-06-26 11:49 UTC (permalink / raw)
To: gcc-bugs
------- Comment #9 from jakub at gcc dot gnu dot org 2007-06-26 11:49 -------
Subject: Bug 29059
Author: jakub
Date: Tue Jun 26 11:48:55 2007
New Revision: 126024
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126024
Log:
PR tree-opt/29059
* tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
away for the expr argument.
* gcc.c-torture/compile/strcpy-1.c: New test.
* gcc.c-torture/compile/strcpy-2.c: New test.
* gcc.c-torture/compile/memcpy-1.c: New test.
* gcc.c-torture/compile/memcpy-2.c: New test.
Added:
branches/redhat/gcc-4_1-branch/gcc/testsuite/gcc.c-torture/compile/memcpy-1.c
branches/redhat/gcc-4_1-branch/gcc/testsuite/gcc.c-torture/compile/memcpy-2.c
branches/redhat/gcc-4_1-branch/gcc/testsuite/gcc.c-torture/compile/strcpy-1.c
branches/redhat/gcc-4_1-branch/gcc/testsuite/gcc.c-torture/compile/strcpy-2.c
Modified:
branches/redhat/gcc-4_1-branch/gcc/ChangeLog
branches/redhat/gcc-4_1-branch/gcc/testsuite/ChangeLog
branches/redhat/gcc-4_1-branch/gcc/tree-ssa-propagate.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29059
^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2007-06-26 11:49 UTC | newest]
Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
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2006-09-13 8:24 [Bug c++/29059] New: [4.2 regression] ICE: verify_stmts failed (invalid operand to unary operator ""[0];) tbm at gcc dot gnu dot org
2006-09-13 16:17 ` [Bug c++/29059] " pinskia at gcc dot gnu dot org
2006-09-13 18:13 ` janis at gcc dot gnu dot org
2006-09-13 18:34 ` pinskia at gcc dot gnu dot org
2006-09-13 21:33 ` tbm at cyrius dot com
2006-09-14 4:11 ` pinskia at gcc dot gnu dot org
2006-09-14 4:12 ` pinskia at gcc dot gnu dot org
2006-09-16 22:52 ` [Bug tree-optimization/29059] " pinskia at gcc dot gnu dot org
2006-09-16 22:52 ` pinskia at gcc dot gnu dot org
2007-06-26 11:49 ` jakub at gcc dot gnu dot org
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