The TestOpenACCInterfaces test loads dialects including HLFIR and DLTI
(for data layout). The appropriate dependencies were missing leading to
link failures:
TestOpenACCInterfaces.cpp:(.text._ZNK12_GLOBAL__N_124TestFIROpenACCInterfaces20getDependentDialectsERN4mlir15DialectRegistryE+0x66):
undefined reference to
`mlir::detail::TypeIDResolver<hlfir::hlfirDialect, void>::id'
TestOpenACCInterfaces.cpp:(.text._ZNK12_GLOBAL__N_124TestFIROpenACCInterfaces20getDependentDialectsERN4mlir15DialectRegistryE+0x141):
undefined reference to `mlir::detail::TypeIDResolver<mlir::DLTIDialect,
void>::id'