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From: "xry111 at mengyan1223 dot wang" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug rtl-optimization/104843] New: signed overflow in
 compute_const_anchors, at cse.cc:1180
Date: Tue, 08 Mar 2022 18:03:35 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104843

            Bug ID: 104843
           Summary: signed overflow in compute_const_anchors, at
                    cse.cc:1180
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: xry111 at mengyan1223 dot wang
  Target Milestone: ---

Bootstrapping GCC on mips64el with a WIP patch for sanitizer support and
bootstrap-ubsan produces:

../../gcc/gcc/cse.cc:1180:19: runtime error: signed integer overflow:
9223372036854775807 - -9223372036854775808 cannot be represented in type 'l=
ong
int'=