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From: "gcc at magfr dot user.lysator.liu.se" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/66214] [6 Regression] ICE verify_type failed with -O0 -g via gen_type_die_with_usage's dwarf2out.c:20250
Date: Fri, 16 Oct 2015 22:35:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66214

Magnus Fromreide <gcc at magfr dot user.lysator.liu.se> changed:

           What    |Removed                     |Added
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                 CC|                            |gcc at magfr dot user.lysator.liu.
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--- Comment #15 from Magnus Fromreide <gcc at magfr dot user.lysator.liu.se> ---
Created attachment 36533
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36533&action=edit
Simpler test case - z3.ii

Even simpler test case.
Compile with g++ -g z3.ii to trigger the bug.