One test of the testsuite of libgcrypt 1.5.1 is failing when compiling on Solaris
10 with Sun Studio 12 compiler as 64 bit sparcv9:

dam@unstable10s [unstable10s]:/home/dam/mgar/pkg/libgcrypt/trunk/work/solaris10-
sparc/build-isa-sparcv9/libgcrypt-1.5.1/tests > file core
core: ELF 64-bit MSB core file SPARCV9 Version 1, from 'basic'

dam@unstable10s [unstable10s]:/home/dam/mgar/pkg/libgcrypt/trunk/work/solaris10-
sparc/build-isa-sparcv9/libgcrypt-1.5.1/tests > pstack core
core 'core' of 7975: /home/dam/mgar/pkg/libgcrypt/trunk/work/solaris10-
sparc/build-isa-spar
ffffffff7eb4bb90 serpent_key_prepare (100133c98, ffffffff7ffff09d, 10, a0f8,
17cb70, a000) + b8
ffffffff7eb4cef0 serpent_setkey (100133c98, ffffffff7ffff09d, 10, a248,
ffffffff7eca2bb8, a000) + 88
ffffffff7eb20054 cipher_setkey (100133bf0, ffffffff7ffff09d, 10,
ffffffff7eb4ce68, 100133bf0, ffffffff7ec9eb18) + 18
0000000100004050 check_one_cipher_core (130, 1, 0, ffffffff7ffff09d, 20,
ffffffff7ffff088) + 144
00000001000043a0 check_one_cipher (130, 1, 0, 10002b, ffffffff7ffff09c,
ffffffff7ffff09d) + c4
00000001000045ac check_ciphers (1001312c0, 10002b140, 100130398, 100130000,
10013118c, 100000) + 140
0000000100005c44 main (1, 0, 100131188, 10002f728, 0, 0) + 268
0000000100001d7c _start (0, 0, 0, 0, 0, 0) + 17c

Please let me know what else you need to further diagnose the issue.

Best regards -- Dago