Created attachment 621 [details] Fail log of unalignedassert Hi all, this bug can be the continuation of #907, so feel free to merge them. In Debian we have faced also a compilation problem on arm64 platform [1]. I am able reproduce the same problem using unalignedassert-unittest on arm64. The full log is attached. Here is the relevant part: ========================== CMakeFiles/unalignedassert_2.dir/unalignedassert.cpp.o -c "/home/user/2/eigen3-3.3~alpha1/test/unalignedassert.cpp" In file included from /home/user/2/eigen3-3.3~alpha1/Eigen/Core:196:0, from /home/user/2/eigen3-3.3~alpha1/Eigen/QR:4, from /home/user/2/eigen3-3.3~alpha1/test/main.h:252, from /home/user/2/eigen3-3.3~alpha1/test/packetmath.cpp:11: In function 'float64x2_t vdupq_lane_f64(float64x1_t, int)', inlined from 'Packet Eigen::internal::pmul(const Packet&, const Packet&) [with Packet = Eigen::internal::Packet1cd]' at /home/user/2/eigen3-3.3~alpha1/Eigen/src/Core/arch/NEON/Complex.h:329:22, inlined from 'void packetmath() [with Scalar = std::complex<double>]' at /home/user/2/eigen3-3.3~alpha1/test/packetmath.cpp:158:3: /usr/lib/gcc/aarch64-linux-gnu/5/include/arm_neon.h:14027:10: error: lane 1 out of range 0 - 0 return __aarch64_vdupq_lane_f64 (__a, __b); ========================== On 3.2.6 the same code is compiling without problems, so it is a regression in 3.3. [1] https://bugs.debian.org/803552 Thank you Anton
This should do the job: https://bitbucket.org/eigen/eigen/commits/dfa123a3ca2f/
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