Pull in r337861 from upstream llvm trunk (by Hideki Saito):
[LV] Fix for PR38110, LV encountered llvm_unreachable() Summary: truncateToMinimalBitWidths() doesn't handle all Instructions and the worst case is compiler crash via llvm_unreachable(). Fix is to add a case to handle PHINode and changed the worst case to NO-OP (from compiler crash). Reviewers: sbaranga, mssimpso, hsaito Reviewed By: hsaito Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D49461
This should fix "Unhandled instruction type!" (if assertions are
enabled) or segmentation faults (if assertions are disabled) when
compiling certain versions of the net-p2p/gtk-gnutella port.
Direct commit to stable/11 and stable/12, since head already has this
fix.
Reported by: Jamie Landeg-Jones <jamie@catflap.org>
PR: 234987