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From: olivier.baudron@m4x.org To: gcc-gnats@gcc.gnu.org Subject: c/7479: wrong arithmetic output Date: Sat, 03 Aug 2002 09:06:00 -0000 [thread overview] Message-ID: <20020803155956.18810.qmail@sources.redhat.com> (raw) >Number: 7479 >Category: c >Synopsis: wrong arithmetic output >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Sat Aug 03 09:06:00 PDT 2002 >Closed-Date: >Last-Modified: >Originator: olivier.baudron@m4x.org >Release: gcc-3.1.1 >Organization: >Environment: >Description: The following testcase produces a wrong output: #include <stdio.h> int f() { return 1; } int main(int argc, char **argv) { int n=1, a, b; a = (1 | (2 - f())) | (-n); b = (1 | (2 - 1)) | (-n); printf("a=%d b=%d\n", a, b); return 0; } $ gcc -Wall -o test test.c $ ./test a=1 b=-1 It should be: a=1 b=1 >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
next reply other threads:[~2002-08-03 16:06 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-08-03 9:06 olivier.baudron [this message] 2002-12-04 5:46 Christian Ehrhardt
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