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[Bug c/33629] bad code with -O2 if pointer dereference followed by null test
- From: "rask at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Oct 2007 22:13:46 -0000
- Subject: [Bug c/33629] bad code with -O2 if pointer dereference followed by null test
- References: <bug-33629-15181@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from rask at gcc dot gnu dot org 2007-10-03 22:13 -------
You could open a request for a warning when a null pointer check is optimized
away after dereferencing the pointer.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33629