Solaris Studio 12.6 discover on a simple test C printf program. There is ../src/elf directory with nothing in it. Same error without the elf directory or run on different. It's only available on specific hardware?
% /opt/developerstudio12.6/bin/discover test
discover: assertion failed: at line 51 in file "../src/elf/architecture.cc"
discover: post optimizer does not support section type: 0x6fffffec
% file test
ELF 32-bit MSB executable SPARC32PLUS Version 1, V8+ Required, UltraSPARC3 Extensions Required, dynamically linked, not stripped