On Oct 28, 2020, at 5:59 PM, Andrii Nakryiko [off-list ref] wrote:

In some cases compiler seems to generate distinct DWARF types for identical
arrays within the same CU. That seems like a bug, but it's already out there
and breaks type graph equivalence checks, so accommodate it anyway by checking
for identical arrays, regardless of their type ID.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>

Acked-by: Song Liu <redacted>

[...]