[Bug tree-optimization/58532] [4.9 Regression] bootstrap failure with BOOT_CFLAGS="-g -O3"

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58532

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
First testcase reduction ended in PR58552, re-reducing.