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From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug d/94652] New: gdc.dg/ubsan/pr88957.d: valgrind error
Date: Sat, 18 Apr 2020 19:11:41 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94652

            Bug ID: 94652
           Summary: gdc.dg/ubsan/pr88957.d: valgrind error
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: d
          Assignee: ibuclaw at gdcproject dot org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

For D testsuite file ./gdc.dg/ubsan/pr88957.d with a valgrind
version of recent trunk D compiler, does this:

=3D=3D162456=3D=3D Invalid read of size 8
=3D=3D162456=3D=3D    at 0x6C38E9: Expression::copy() (expression.c:2046)
=3D=3D162456=3D=3D    by 0x664547: visit (dcast.c:68)
=3D=3D162456=3D=3D    by 0x664547: implicitCastTo(Expression*, Scope*,
Type*)::ImplicitC
astTo::visit(Expression*) (dcast.c:54)
=3D=3D162456=3D=3D    by 0x66BE8A: implicitCastTo(Expression*, Scope*, Type=
*)
(dcast.c:1
60)=