Multiple tests crash on sparc64 due to unaligned access (Bus error)

[glaubitz]

Multiple tests crash on sparc64 on Linux due to unaligned access (Bus error):

173/265 Test #187: Test.RS_2m_8.src17 ...............Bus error***Exception:   0.10 sec
/build/reproducible-path/openfec-1.4.2.12+dfsg/bin/Release/eperftooleperf_tool: an extended AL-FEC performance evaluation tool
OpenFEC.org - Version 1.4.2, December 16th, 2014

tot_nb_source_symbols=17  tot_nb_repair_symbols=23  symbol_size=1024  ldpc_N1=5  rs_m=8
codec_id=2
transmission_type=randomly_send_all_source_and_repair_symbols
of_compute_blocking_struct: B=108, L=17408, E=1024
		nb_blocks=1, I=0, A_large=17, A_small=17
prng seed=1
encoding_start=1757579895.715866
encoding_end=1757579895.716493  encoding_time=0.000627
decoding_start=1757579895.716504

Full build log available in: https://buildd.debian.org/status/fetch.php?pkg=openfec&arch=sparc64&ver=1.4.2.12%2Bdfsg-1&stamp=1757579915&raw=0

Access to SPARC machines for testing can be obtained through the GCC Compile Farm: https://gcc.gnu.org/wiki/CompileFarm