Implementation notes: aarch64, a72, crypto_sign/pass863

Computer: a72
Architecture: aarch64
CPU ID: unknown CPU ID
SUPERCOP version: 20170904
Operation: crypto_sign
Primitive: pass863

Test failure

Implementation: crypto_sign/pass863/ref-karatsuba
Compiler: gcc -funroll-loops -march=native -mtune=native -O2
error 111
crypto_sign_open returns nonzero

Number of similar (compiler,implementation) pairs: 6, namely:
CompilerImplementations
gcc -funroll-loops -march=native -mtune=native -O2 ref-karatsuba
gcc -funroll-loops -march=native -mtune=native -O3 ref-karatsuba
gcc -funroll-loops -march=native -mtune=native -Os ref-karatsuba
gcc -march=native -mtune=native -O2 ref-karatsuba
gcc -march=native -mtune=native -O3 ref-karatsuba
gcc -march=native -mtune=native -Os ref-karatsuba