https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68195
--- Comment #3 from Evgeniy Dushistov <dushistov at mail dot ru> --- I build gcc with last commit: commit 06d6724083a2cb1f35e36f4a0db3025bfde20667 Author: nathan <nathan@138bc75d-0d04-0410-961f-82ee72b054a4> Date: Wed Nov 4 17:01:23 2015 +0000 * libgomp.oacc-c-c++-common/loop-red-g-1.c: New. * libgomp.oacc-c-c++-common/loop-red-gwv-1.c: New. * libgomp.oacc-c-c++-common/loop-red-v-1.c: New. * libgomp.oacc-c-c++-common/loop-red-v-2.c: New. * libgomp.oacc-c-c++-common/loop-red-w-1.c: New. * libgomp.oacc-c-c++-common/loop-red-w-2.c: New. * libgomp.oacc-c-c++-common/loop-red-wv-1.c: New. * libgomp.oacc-fortran/reduction-5.f90: Avoid reference var. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229770 138bc75d-0d04-0410-961f-82ee72b054a4 $/home/evgeniy/local/bin/g++ --version | head -n 1 g++ (GCC) 6.0.0 20151104 (experimental) $ LANG=C make /home/evgeniy/local/bin/g++ -std=c++03 -g3 -shared -fPIC -o libmyLib.so Lib.cpp -O2 /home/evgeniy/local/bin/g++ -std=c++11 -g3 main.cpp -o main -L. -l myLib LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/home/evgeniy/local/lib64:./ ./main Makefile:7: recipe for target 'test1' failed make: *** [test1] Segmentation fault So the bug should be in trunk also, linux/amd64