Date: Fri, 01 Mar 2019 03:56:37 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 236120] Failure to buildworld for TARGET_ARCH=armv7 Message-ID: <bug-236120-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D236120 Bug ID: 236120 Summary: Failure to buildworld for TARGET_ARCH=3Darmv7 Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: kevans@freebsd.org Created attachment 202468 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D202468&action= =3Dedit Reproducer for cross-build core dump It's unclear when this started, but it's worked at some point in the last m= onth or two on -current. With this cc (build from middle of 2019/02/28): root@shiva:/tmp# cc --version FreeBSD clang version 7.0.1 (tags/RELEASE_701/final 349250) (based on LLVM 7.0.1) Target: x86_64-unknown-freebsd13.0 Thread model: posix InstalledDir: /usr/bin root@shiva:/usr/src# make TARGET_ARCH=3Darmv7 buildworld [...] Error: Super register $eax of reserved register $hax is not reserved. Assertion failed: (checkAllSuperRegsMarked(Reserved, {X86::SIL, X86::DIL, X86::BPL, X86::SPL, X86::SIH, X86::DIH, X86::BPH, X86::SPH})), function getReservedRegs, file /usr/src/contrib/llvm/lib/Target/X86/X86RegisterInfo.= cpp, line 582. Abort trap (core dumped) Reproducible on two different machines so far, one virtual and one physical. The cause is unclear, but attaching the reproducers that it spit out. Reproduces regardless of what it compiles first -- in this case, nvlist wit= h a clean objdir. --=20 You are receiving this mail because: You are the assignee for the bug.=
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