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From: peter.barth@t-online.de To: gcc-gnats@gcc.gnu.org Subject: c++/5284: missing warning on uninitialized variable Date: Sat, 05 Jan 2002 01:36:00 -0000 [thread overview] Message-ID: <20020105093127.24833.qmail@sources.redhat.com> (raw) >Number: 5284 >Category: c++ >Synopsis: missing warning on uninitialized variable >Confidential: no >Severity: non-critical >Priority: low >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Sat Jan 05 01:36:00 PST 2002 >Closed-Date: >Last-Modified: >Originator: peter.barth@t-online.de >Release: gcc-2.95.3, gcc-3.0 >Organization: >Environment: SuSe Linux 7.3 >Description: GCC should issue a warning on int j = (j < 0) ? -i : i; that j is used uninitialized (some other compilers do). Complete code snippet --- #include <iostream> using namespace std; int f(int i) { int j = (j < 0) ? -i : i; // shouldn't that generate a warning that j is used uninitialized return j; } int main() { int h = 3; cout << h << " " << f(h) << "\n"; h = -3; cout << h << " " << f(h) << "\n"; return 0; } --- >How-To-Repeat: #include <iostream> using namespace std; int f(int i) { int j = (j < 0) ? -i : i; // shouldn't that generate a warning that j is used uninitialized return j; } int main() { int h = 3; cout << h << " " << f(h) << "\n"; h = -3; cout << h << " " << f(h) << "\n"; return 0; } >Fix: ??? >Release-Note: >Audit-Trail: >Unformatted:
next reply other threads:[~2002-01-05 9:36 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-01-05 1:36 peter.barth [this message] 2002-09-15 12:26 nathan
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