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* [Bug c++/52962] New: Column number incorrect in error
@ 2012-04-12 22:09 xinliangli at gmail dot com
2012-04-12 23:06 ` [Bug c++/52962] " pinskia at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: xinliangli at gmail dot com @ 2012-04-12 22:09 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52962
Bug #: 52962
Summary: Column number incorrect in error
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: xinliangli@gmail.com
#define M1(x, y, z) y();
#define M2(x, y, z) M1(x, y, z)
void test() {
M2(a, b, c);
}
/* ===== Clang
macros1.cpp:4:9: error: use of undeclared identifier 'b'
M2(a, b, c);
^
macros1.cpp:2:27: note: expanded from macro 'M2'
#define M2(x, y, z) M1(x, y, z)
^
macros1.cpp:1:21: note: expanded from macro 'M1'
#define M1(x, y, z) y();
^
1 error generated.
================ */
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/52962] Column number incorrect in error
2012-04-12 22:09 [Bug c++/52962] New: Column number incorrect in error xinliangli at gmail dot com
@ 2012-04-12 23:06 ` pinskia at gcc dot gnu.org
2012-04-12 23:19 ` manu at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu.org @ 2012-04-12 23:06 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52962
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-04-12 23:06:20 UTC ---
That requires tracking of macros.
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/52962] Column number incorrect in error
2012-04-12 22:09 [Bug c++/52962] New: Column number incorrect in error xinliangli at gmail dot com
2012-04-12 23:06 ` [Bug c++/52962] " pinskia at gcc dot gnu.org
@ 2012-04-12 23:19 ` manu at gcc dot gnu.org
2015-03-29 7:23 ` manu at gcc dot gnu.org
2021-08-02 2:42 ` pinskia at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: manu at gcc dot gnu.org @ 2012-04-12 23:19 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52962
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |manu at gcc dot gnu.org
--- Comment #2 from Manuel López-Ibáñez <manu at gcc dot gnu.org> 2012-04-12 23:19:17 UTC ---
manuel@gcc12:~$ ~/trunk/186353M/build/gcc/cc1plus -ftrack-macro-expansion
pr52962.cc
pr52962.cc:1:23: error: ‘b’ was not declared in this scope
#define M1(x, y, z) y();
^
pr52962.cc:1:23: note: in expansion of macro 'M1'
#define M1(x, y, z) y();
^
pr52962.cc:2:21: note: expanded from here
#define M2(x, y, z) M1(x, y, z)
^
pr52962.cc:2:21: note: in expansion of macro 'M2'
#define M2(x, y, z) M1(x, y, z)
^
pr52962.cc:4:3: note: expanded from here
M2(a, b, c);
^
OK, it needs a bit of fine-tuning, but it is much closer. Nice, eh? ;-)
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/52962] Column number incorrect in error
2012-04-12 22:09 [Bug c++/52962] New: Column number incorrect in error xinliangli at gmail dot com
2012-04-12 23:06 ` [Bug c++/52962] " pinskia at gcc dot gnu.org
2012-04-12 23:19 ` manu at gcc dot gnu.org
@ 2015-03-29 7:23 ` manu at gcc dot gnu.org
2021-08-02 2:42 ` pinskia at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: manu at gcc dot gnu.org @ 2015-03-29 7:23 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52962
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |diagnostic, easyhack
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-03-28
Ever confirmed|0 |1
--- Comment #3 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
This has improved a lot, but it is still better in C than in C++:
manuel@gcc14:~/test2/221743M/build/gcc$ ~/test1/221745M/build/gcc/cc1 ~/test.c
/home/manuel/test.c:4:9: warning: implicit declaration of function ‘b’
[-Wimplicit-function-declaration]
M2(a, b, c);
^
/home/manuel/test.c:1:21: note: in definition of macro ‘M1’
#define M1(x, y, z) y();
^
/home/manuel/test.c:4:3: note: in expansion of macro ‘M2’
M2(a, b, c);
^
manuel@gcc14:~/test2/221743M/build/gcc$ ~/test1/221745M/build/gcc/cc1plus
~/test.c
void test()
/home/manuel/test.c:1:23: error: ‘b’ was not declared in this scope
#define M1(x, y, z) y();
^
/home/manuel/test.c:2:21: note: in expansion of macro ‘M1’
#define M2(x, y, z) M1(x, y, z)
^
/home/manuel/test.c:4:3: note: in expansion of macro ‘M2’
M2(a, b, c);
^
>From gcc-bugs-return-482157-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Sat Mar 28 22:17:59 2015
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From: "manu at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/17729] [4.8/4.9/5 Regression] Duplicate __attribute__((deprecated)) warning
Date: Sun, 29 Mar 2015 07:45:00 -0000
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Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |patch
Assignee|unassigned at gcc dot gnu.org |ktietz at gcc dot gnu.org
--- Comment #33 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
Kai, what happened with your patch?
>From gcc-bugs-return-482158-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Sat Mar 28 22:31:08 2015
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From: "manu at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/65445] Improve [-W...] display for -Wformat
Date: Sun, 29 Mar 2015 09:04:00 -0000
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Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |easyhack
--- Comment #2 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
This should not be too difficult for someone willing to learn the basics of
awk. I have hacked the scripts a lot and all the awk I know I learnt from the
scripts themselves.
>From gcc-bugs-return-482159-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Sat Mar 28 23:15:50 2015
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From: "rogero at howzatt dot demon.co.uk" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/64181] 'noexcept' on a lambda sometimes appears to get optimised away at -O2 (or above).
Date: Sun, 29 Mar 2015 11:06:00 -0000
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--- Comment #1 from Roger Orr <rogero at howzatt dot demon.co.uk> ---
The optimization is also broken in the 5.0 head (5.0.0.20150328)
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/52962] Column number incorrect in error
2012-04-12 22:09 [Bug c++/52962] New: Column number incorrect in error xinliangli at gmail dot com
` (2 preceding siblings ...)
2015-03-29 7:23 ` manu at gcc dot gnu.org
@ 2021-08-02 2:42 ` pinskia at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-08-02 2:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52962
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |7.0
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed in GCC 7+ by r7-4797.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2012-04-12 22:09 [Bug c++/52962] New: Column number incorrect in error xinliangli at gmail dot com
2012-04-12 23:06 ` [Bug c++/52962] " pinskia at gcc dot gnu.org
2012-04-12 23:19 ` manu at gcc dot gnu.org
2015-03-29 7:23 ` manu at gcc dot gnu.org
2021-08-02 2:42 ` pinskia at gcc dot gnu.org
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