https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111693
Jonathan Leffler changed:
What|Removed |Added
Status|RESOLVED|UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111693
--- Comment #5 from Jonathan Leffler ---
The link
https://gcc.gnu.org/onlinedocs/gcc-13.2.0/gcc/C_002b_002b-Dialect-Options.html#index-Wuse-after-free
is to the "Options Controlling C++ Dialect".
I was using the C compiler, not the C++
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111693
--- Comment #4 from Jonathan Leffler ---
The link
https://gcc.gnu.org/onlinedocs/gcc-13.2.0/gcc/C_002b_002b-Dialect-Options.html#index-Wuse-after-free
is to the "Options Controlling C++ Dialect".
I was using the C compiler, not the C++
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111695
Jonathan Leffler changed:
What|Removed |Added
Attachment #56047|0 |1
is obsolete|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111695
--- Comment #3 from Jonathan Leffler ---
Created attachment 56050
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56050=edit
gcc-bug-4.c — Variation 4 (one array — does not generate -Wuse-after-free
warnings)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111695
--- Comment #2 from Jonathan Leffler ---
Created attachment 56049
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56049=edit
gcc-bug-3.c — Variation 3 (one array: does not generate -Wuse-after-free
warnings)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111695
Jonathan Leffler changed:
What|Removed |Added
CC||jonathan.leffler at gmail dot
com
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jonathan.leffler at gmail dot com
Target Milestone: ---
Created attachment 56047
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56047=edit
Variation 1 (two arrays in paral
: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jonathan.leffler at gmail dot com
Target Milestone: ---
In the 13.2.0 documentation
(https://gcc.gnu.org/onlinedocs/gcc-13.2.0/gcc/Warning-Options.html), the list
of options
ty: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jonathan.leffler at gmail dot com
Target Milestone: ---
The problem occurs with GCC 13.2.0, and the submitted code also produces the
warning in GCC 12.2.0, but minor variations o
NCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jonathan.leffler at gmail dot com
Target Milestone: ---
The problem occurs with GCC 12.2.0 and GCC 13.2.0. It is difficult to see how
the loop could
ty: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jonathan.leffler at gmail dot com
Target Milestone: ---
Created attachment 53515
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53515=edit
Source code (gcc-bug.c) for t
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106039
--- Comment #5 from Jonathan Leffler ---
I got an email from pinskia — thank you. I responded from an iPhone and got a
message back about 'HTML attachments are not allowed'. I'm not sure if that
got through. Anyway, what I said (tried to
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106039
--- Comment #4 from Jonathan Leffler ---
Thank you for looking at this.
In the second and subsequent errors, the line number of the macro is used
in all three lines of the error report, whereas in the first, the second
line of the messages is
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106039
--- Comment #2 from Jonathan Leffler ---
Created attachment 53178
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53178=edit
Output from gcc -v when compiling the test case
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106039
--- Comment #1 from Jonathan Leffler ---
Created attachment 53177
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53177=edit
Close to minimal source (4 format strings; 4 printf statements; some comments)
Close to minimal source code. It
: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jonathan.leffler at gmail dot com
Target Milestone: ---
Created attachment 53176
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53176=edit
Preprocessed output
The prob
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95755
--- Comment #2 from Jonathan Leffler ---
(In reply to Martin Sebor from comment #1)
> The sizes used to trigger the warning are based on what it can determine
> from the representation of source code it sees. ...
Thank you for the
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jonathan.leffler at gmail dot com
Target Milestone: ---
Created attachment 48754
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48754=edit
Preprocessed source (also in body of
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84685
Jonathan Leffler changed:
What|Removed |Added
CC||jonathan.leffler at gmail dot
com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55985
--- Comment #2 from Jonathan Leffler ---
This problem has been mostly resolved in 5.3.0 (and quite possibly earlier):
$ gcc -O3 -Werror -Wall -g -std=c99 -c -o gccbug.o gccbug.c
gccbug.c: In function ‘updtypes’:
gccbug.c:20:18: error:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55985
Bug #: 55985
Summary: Misleading message about which variable 'may be used
uninitialized in this function'
Classification: Unclassified
Product: gcc
Version: 4.7.1
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