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| From: | Paul Eggert |
| Subject: | Re: [PATCH] dfa: port to gcc -fsanitize=undefined |
| Date: | Mon, 16 Jan 2017 11:57:03 -0800 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 |
Kamil Dudka wrote:
It can cause a real crash in certain execution environments.
Which ones? I'm not interested in environments like -fsanitize=undefined, which is designed to catch violations of the standard. I want to know of a real execution environment where memcpy (0, 0, 0) does something bad, and why it does so.
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