[PATCH] Fix an UBSAN test-case (PR sanitizer/63361).

[Martin Liška]

Hello.

This should address spotted in the PR, where I basically implemented what
I was recommended in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63361#c14.

Ready for trunk?
Thanks,
Martin
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-Fix-an-UBSAN-test-case-PR-sanitizer-63361.patch
Type: text/x-patch
Size: 1232 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20170718/c8ca2af5/attachment.bin>