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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug go/94607] ice in execute_todo, at passes.c:2034
Date: Wed, 15 Apr 2020 13:54:06 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94607

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
2020-04-15  Jakub Jelinek  <jakub@redhat.com>

        PR go/94607
        * go-gcc.cc (Gcc_backend::Gcc_backend): Set DECL_IS_NOVOPS on
        BUILT_IN_PREFETCH decl.

--- gcc/go/go-gcc.cc.jj 2020-01-12 11:54:36.630410135 +0100
+++ gcc/go/go-gcc.cc    2020-04-15 15:52:15.243624553 +0200
@@ -804,6 +804,7 @@ Gcc_backend::Gcc_backend()
                                                        const_ptr_type_node,
                                                        NULL_TREE),
                       false, false);
+  DECL_IS_NOVOPS(builtin_decl_explicit(BUILT_IN_PREFETCH)) =3D 1;

   // The compiler uses __builtin_unreachable for cases that cannot
   // occur.

fixes this.=