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aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=elenq.tech header.s=protonmail2 header.b=GRYhpbah; dmarc=fail reason="SPF not aligned (relaxed)" header.from=elenq.tech (policy=none); spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: 5.73 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=elenq.tech header.s=protonmail2 header.b=GRYhpbah; dmarc=fail reason="SPF not aligned (relaxed)" header.from=elenq.tech (policy=none); spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 42E8F31C68 X-Spam-Score: 5.73 X-Migadu-Scanner: scn1.migadu.com X-TUID: XgQHdFdQ2GjR Hi, I'm digging on old compiler versions for bootstrapping purposes and I reali= zed that gcc 4.7 and 4.8 packages don't compile on x64. We have been able to reproduce the failure of gcc 4.7 but we didn't test th= e 4.8 error that far. In gcc-4.7 the error is the following: ./md-unwind-support.h:60:47: error: dereferencing pointer to incomplete typ= e I guess there's something missing there but I'm out of ideas to dig on this= further. Anyone?