"Invalid instruction mnemonic" build failure(s) — clang 3.5.0

PackageVersionSupposed error messageFull log Bug report
libcrypto++ 5.6.1-6gcm.cpp:746:3: error: invalid instruction mnemonic 'prefix' Log
pearpc 0.5.dfsg-2.1jitc_mmu.S:36:15: error: invalid instruction mnemonic 'prefix' Log
pygame 1.9.1release+dfsg-10src/scale_mmx64.c:424:27: error: invalid instruction mnemonic 'movsxl' Log 812717

3 errors