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optimization/9632: 'If' statement evaluates differently depending on optimization (-O vs -g)
- From: larry at tmpinc dot com
- To: gcc-gnats at gcc dot gnu dot org
- Date: 8 Feb 2003 22:27:29 -0000
- Subject: optimization/9632: 'If' statement evaluates differently depending on optimization (-O vs -g)
- Reply-to: larry at tmpinc dot com
>Number: 9632
>Category: optimization
>Synopsis: 'If' statement evaluates differently depending on optimization (-O vs -g)
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sat Feb 08 22:36:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator: larry@tmpinc.com
>Release: gcc version 2.96 20000731 (Red Hat Linux 7.2 2.96-112.7.2)
>Organization:
>Environment:
RedHat 7.2
i386
gcc version 2.96 20000731 (Red Hat Linux 7.2 2.96-112.7.2)
>Description:
The attached file contains a code snippet that can be compiled and run. The 'if' test fails when the code is compiled with
-O and works as expected when compiled with -g.
>How-To-Repeat:
Refer to attachment. When compiled with -g flag, wire_draw
is called as expected. When compiled with -O, wire_draw is
not called.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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