I tried to compile Examples/devices/sources/target_defaultmap.1.c with the amdclang++ compiler
The error message is
target_defaultmap.1.c:96:39: error: expected 'scalar', 'aggregate', 'pointer' in OpenMP clause 'defaultmap'
96 | #pragma omp target defaultmap(to: all) map(from: s3)
| ^
1 error generated.