clang -m64 -march=native -mtune=native -O3 -I/home/schiptsov/Compile/otp/erts/x86_64-unknown-linux-gnu -D_GNU_SOURCE -DERTS_SMP -DHAVE_CONFIG_H -Wall -Wstrict-prototypes -Wmissing-prototypes -Wdeclaration-after-statement -DUSE_THREADS -D_THREAD_SAFE -D_REENTRANT -DPOSIX_THREADS -D_POSIX_THREAD_SAFE_FUNCTIONS -Ix86_64-unknown-linux-gnu/opt/smp -Ibeam -Isys/unix -Isys/common -Ix86_64-unknown-linux-gnu -Izlib -Ipcre -Ihipe -I../include -I../include/x86_64-unknown-linux-gnu -I../include/internal -I../include/internal/x86_64-unknown-linux-gnu -c beam/beam_emu.c -o obj/x86_64-unknown-linux-gnu/opt/smp/beam_emu.o clang: /home/schiptsov/Compile/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:2050: bool <anonymous namespace>::LoopVectorizationLegality::canVectorize(): Assertion `TheLoop->getLoopPreheader() && "No preheader!!"' failed.
