[Bug sanitizer/61530] [4.10 Regression] segfault with asan

[tetra2005 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61530

Yuri Gribov <tetra2005 at gmail dot com> changed:

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                 CC|                            |tetra2005 at gmail dot com

--- Comment #5 from Yuri Gribov <tetra2005 at gmail dot com> ---
Actually the fix may not handle unaligned addresses properly. I think we should
rather stick with start and end bytes for memory regions in builtins. What's
your opinion?