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* [Bug c/25575] New: some uninitialized warning disappear when compile without -O
@ 2005-12-27 12:16 lidaobing at gmail dot com
2005-12-27 12:23 ` [Bug c/25575] " steven at gcc dot gnu dot org
2007-06-18 14:17 ` matze at braunis dot de
0 siblings, 2 replies; 3+ messages in thread
From: lidaobing at gmail dot com @ 2005-12-27 12:16 UTC (permalink / raw)
To: gcc-bugs
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Hello,
see example:
---->
$ cat warning.c
int main()
{
int i;
return i;
}
$ gcc -Wall warning.c
$ gcc -Wall -O0 warning.c
$ gcc -Wall -O warning.c
warning.c: In function âmainâ:
warning.c:4: warning: âiâ is used uninitialized in this function
warning.c
$ gcc -Wall -O1 warning.c
warning.c: In function âmainâ:
warning.c:4: warning: âiâ is used uninitialized in this function
$ gcc -Wall -O2 warning.c
warning.c: In function âmainâ:
warning.c:4: warning: âiâ is used uninitialized in this function
$ gcc -Wall -O3 warning.c
warning.c: In function âmainâ:
warning.c:4: warning: âiâ is used uninitialized in this function
$
<------
--
Summary: some uninitialized warning disappear when compile
without -O
Product: gcc
Version: 4.0.2
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: lidaobing at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25575
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2005-12-27 12:16 [Bug c/25575] New: some uninitialized warning disappear when compile without -O lidaobing at gmail dot com
2005-12-27 12:23 ` [Bug c/25575] " steven at gcc dot gnu dot org
2007-06-18 14:17 ` matze at braunis dot de
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