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

[y.gribov at samsung dot com]

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

--- Comment #3 from Yury Gribov <y.gribov at samsung dot com> ---
Bootstrapped and regtested successfully on x64. Let's wait for Jakub's
comments.