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From: skal@planet-d.net To: gcc-gnats@gcc.gnu.org Cc: pmassimi@ilog.fr Subject: optimization/6647: -O2 (or above) invalid optimization Date: Mon, 13 May 2002 08:26:00 -0000 [thread overview] Message-ID: <20020513151945.30484.qmail@sources.redhat.com> (raw) >Number: 6647 >Category: optimization >Synopsis: -O2 (or above) invalid optimization >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Mon May 13 08:26:01 PDT 2002 >Closed-Date: >Last-Modified: >Originator: Pascal Massimino >Release: 2.96 -> 3.0.4 >Organization: >Environment: PIII mobile, linux, redhat 7.1 >Description: Initialization of a 'float/double' variable occurs after its address taken and derefenced. Only occurs with -O2 or above. >How-To-Repeat: see attached file bug.cpp >Fix: >Release-Note: >Audit-Trail: >Unformatted: ----gnatsweb-attachment---- Content-Type: application/octet-stream; name="bug.cpp" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="bug.cpp" Ly8KLy8gQnVnOiBnY2MgMi45NiAtPiAzLjAuNAovLyBQcm9jOiBJbnRlbChSKSBQZW50aXVtKFIp IElJSSBNb2JpbGUgQ1BVCi8vIE9TOiBMaW51eCAgMi40LjE4LXByZTkgKGZyb20gUmVkaGF0IDcu MSkKLy8KLy8gQ29tcGlsZWQgd2l0aCAtTywgdGhpcyBwcm9nZ3kgcnVucyBPay4KLy8gQ29tcGls ZWQgd2l0aCAtTzIgb3IgYWJvdmUsIHRoZSB2YXJpYWJsZQovLyAnZG91YmxlIGQnIGlzIGluaXRp YWxpemVkICphZnRlciogaXRzCi8vICBhZGRyZXNzIGlzIGxvYWRlZCBpbnRvICpwIChkaXNhc3Nl bWJseSBzYXlzKS4KLy8gVGhlIHNhbWUgb2NjdXJzIHdpdGggJ2Zsb2F0JyB0eXBlLgovLwovLyAg IHNrYWxAcGxhbmV0LWQubmV0CgojaW5jbHVkZSA8c3RkaW8uaD4KaW50IG1haW4oKSB7CiAgZG91 YmxlIGQgPSAxLjA7CiAgdW5zaWduZWQgc2hvcnQgKnAgPSAodW5zaWduZWQgc2hvcnQgKikmZDsK ICBpbnQgQkUgPSAocFswXSAhPSAwKTsKICBpZiAoQkUpCiAgICBwcmludGYoICJlcnJvciEgQkU9 JWRcbiIsIEJFICk7CiAgZWxzZQogICAgcHJpbnRmKCJva1xuIik7CgogIHJldHVybiAwOwp9Cg==
next reply other threads:[~2002-05-13 15:26 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-05-13 8:26 skal [this message] 2002-05-14 8:11 jakub 2002-05-16 18:56 rth
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