https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107844
Bug ID: 107844
Summary: error: argument is not a field access for
__builtin_preserve_field_info
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: james.hilliard1 at gmail dot com
Target Milestone: ---
I'm seeing this error which does not occur in llvm for a bpf
test(test_core_reloc_existence.c) in bpf-next:
In file included from progs/test_core_reloc_existence.c:7:
progs/test_core_reloc_existence.c: In function 'test_core_existence':
/home/buildroot/bpf-next/tools/bpf/resolve_btfids/libbpf/include/bpf/bpf_core_read.h:132:9:
error: argument is not a field access
132 | __builtin_preserve_field_info(___bpf_field_ref(field),
BPF_FIELD_EXISTS)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
progs/test_core_reloc_existence.c:66:13: note: in expansion of macro
'bpf_core_field_exists'
66 | if (bpf_core_field_exists(struct core_reloc_existence, arr))
| ^~~~~~~~~~~~~~~~~~~~~
