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* [Bug c++/47734] New: no "comparisons like X<=Y<=Z do not have their mathematical meaning" warning in c++
@ 2011-02-14 16:16 sds at gnu dot org
2011-02-14 16:20 ` [Bug c++/47734] " manu at gcc dot gnu.org
2011-03-29 16:45 ` redi at gcc dot gnu.org
0 siblings, 2 replies; 3+ messages in thread
From: sds at gnu dot org @ 2011-02-14 16:16 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47734
Summary: no "comparisons like X<=Y<=Z do not have their
mathematical meaning" warning in c++
Product: gcc
Version: 4.1.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: sds@gnu.org
gcc issues a warning
comparisons like X<=Y<=Z do not have their mathematical meaning
for code like
if (-2 < -1 < 0) {
....
}
but c++ does not.
^ permalink raw reply [flat|nested] 3+ messages in thread* [Bug c++/47734] no "comparisons like X<=Y<=Z do not have their mathematical meaning" warning in c++ 2011-02-14 16:16 [Bug c++/47734] New: no "comparisons like X<=Y<=Z do not have their mathematical meaning" warning in c++ sds at gnu dot org @ 2011-02-14 16:20 ` manu at gcc dot gnu.org 2011-03-29 16:45 ` redi at gcc dot gnu.org 1 sibling, 0 replies; 3+ messages in thread From: manu at gcc dot gnu.org @ 2011-02-14 16:20 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47734 Manuel López-Ibáñez <manu at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2011.02.14 16:16:37 CC| |manu at gcc dot gnu.org Ever Confirmed|0 |1 --- Comment #1 from Manuel López-Ibáñez <manu at gcc dot gnu.org> 2011-02-14 16:16:37 UTC --- In gcc (Ubuntu 4.4.3-4ubuntu5) 4.4.3 I get the warning for: int test(void) { if(-2 < -1 < 0) { return 0;} return 1; } g++ -Wall -Wextra test.cc -c test.cc: In function ‘int test()’: test.cc:2: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning 4.1.2 is too old. ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/47734] no "comparisons like X<=Y<=Z do not have their mathematical meaning" warning in c++ 2011-02-14 16:16 [Bug c++/47734] New: no "comparisons like X<=Y<=Z do not have their mathematical meaning" warning in c++ sds at gnu dot org 2011-02-14 16:20 ` [Bug c++/47734] " manu at gcc dot gnu.org @ 2011-03-29 16:45 ` redi at gcc dot gnu.org 1 sibling, 0 replies; 3+ messages in thread From: redi at gcc dot gnu.org @ 2011-03-29 16:45 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47734 Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED Resolution| |WORKSFORME --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-03-29 16:38:32 UTC --- fixed in current releases ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2011-03-29 16:38 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-02-14 16:16 [Bug c++/47734] New: no "comparisons like X<=Y<=Z do not have their mathematical meaning" warning in c++ sds at gnu dot org 2011-02-14 16:20 ` [Bug c++/47734] " manu at gcc dot gnu.org 2011-03-29 16:45 ` redi at gcc dot gnu.org
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