https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80038
--- Comment #12 from Xi Ruoyao <ryxi at stu dot xidian.edu.cn> --- (In reply to Edgar Fournival from comment #11) > It is also interesting to note that GCC 5.x is not impacted. > > Even if the given example code will not compile on GCC 5 (ICE in lower_stmt, > at gimple-low.c:397 for the line "cilk_spawn walk(vnew, size);"), we > discovered the bug in this project: > https://github.com/hivert/NumericMonoid/tree/master/src/Cilk%2B%2B (source) > https://github.com/hivert/NumericMonoid/issues/2 (results, unfortunately in > French) > Which does compile under GCC 5. Florent please add [Regression 6/7] in the title. > The quick tests done on my machine show that something between GCC 5.4.0 and > GCC 6.3.1 introduced the destructor bug. My first guess is the fix to the ICE introduced this bug. Testing...