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From: "linkw at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/106091] [11/12/13 Regression] during RTL pass: swaps
 ICE: verify_flow_info failed: missing REG_EH_REGION note at the end of bb 69
 with -fnon-call-exceptions
Date: Tue, 28 Jun 2022 11:40:51 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106091

Kewen Lin <linkw at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |linkw at gcc dot gnu.org
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2022-06-28

--- Comment #2 from Kewen Lin <linkw at gcc dot gnu.org> ---
Confirmed, thanks for reporting.

It needs explicit option -mcpu=3Dpower8 if the default cpu type is some els=
e.

It looks pass swaps doesn't copy REG_NOTES when replacing insns.=