It looks like this is fixed upstream (at least for 64-bit machines):
https://github.com/heimdal/heimdal/issues/533
On Sun, 10 Mar 2019 06:17:32 -0500 "A. Wilcox" <awil...@adelielinux.org>
wrote:
> Source: heimdal
> Severity: serious
> Tags: ftbfs
> Justification: fails to build from source (but built successfully in the past)
>
> heimdal fails to build from source, both in Buster and Sid. It is
> failing in one of the tests. Relevant snippet below and full build log
> is accessible at:
>
https://tests.reproducible-builds.org/debian/rbuild/unstable/amd64/heimdal_7.5.0+dfsg-2.1.rbuild.log.gz
>
> =============================================
> Heimdal 7.5.0: lib/hx509/test-suite.log
> =============================================
>
> # TOTAL: 16
> # PASS: 15
> # SKIP: 0
> # XFAIL: 0
> # FAIL: 1
> # XPASS: 0
> # ERROR: 0
>
> .. contents:: :depth: 2
>
> FAIL: test_chain
> ================
>
> cert -> root
> cert -> root
> cert -> root
> sub-cert -> root
> sub-cert -> sub-ca -> root
> sub-cert -> sub-ca
> sub-cert -> sub-ca -> root
> sub-cert -> sub-ca -> root
> sub-cert -> sub-ca -> root
> max depth 2 (ok)
> max depth 1 (fail)
> ocsp non-ca responder
> ocsp ca responder
> ocsp no-ca responder, missing cert
> ocsp no-ca responder, missing cert, in pool
> ocsp no-ca responder, keyHash
> ocsp revoked cert
> ocsp print reply resp1-ocsp-no-cert
> ocsp print reply resp1-ca
> ocsp print reply resp1-keyhash
> ocsp print reply resp2
> ocsp verify exists
> ocsp verify not exists
> ocsp verify revoked
> crl non-revoked cert
> FAIL test_chain (exit status: 1)
>
> -- System Information:
> Debian Release: buster/sid
> APT prefers testing
> APT policy: (900, 'testing'), (500, 'unstable'), (1, 'experimental')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
