https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81886
--- Comment #8 from Tobias Burnus <burnus at gcc dot gnu.org> --- Related: https://gcc.gnu.org/ml/gcc-patches/2020-01/msg01183.html (full thread) Namely, AMD GCN has different ISA – and depending which are available in the binary, the hardware could be chosen; having the wrong ISA one will fail while a fat binary might support multiple. That's similar to this issue, except this affects the same libgomp plugin, while the main discussion here is between different plugins (or none for -foffload=disable). Fun part: Assume one main program, which supports one set of (GPU/ISA) and a linked (or dlopen'ed ?) library which supports another (GPU, ISA) set…
