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Subject: [Bug analyzer/96962] [11 Regression] ICE in gimple_call_arg, at
 gimple.h:3256
Date: Tue, 08 Sep 2020 14:49:40 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96962

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by David Malcolm <dmalcolm@gcc.gnu.org>:

https://gcc.gnu.org/g:47997a32e63b77ec88a7131a5d540f108c698661

commit r11-3050-g47997a32e63b77ec88a7131a5d540f108c698661
Author: David Malcolm <dmalcolm@redhat.com>
Date:   Mon Sep 7 17:16:37 2020 -0400

    analyzer: fix ICE on machine-specific builtins [PR96962]

    In g:ee7bfbe5eb70a23bbf3a2cedfdcbd2ea1a20c3f2 I added a
      switch (DECL_UNCHECKED_FUNCTION_CODE (callee_fndecl))
    to region_model::on_call_pre guarded by
      fndecl_built_in_p (callee_fndecl).
    I meant to handle only normal built-ins, whereas this
    single-argument overload of fndecl_built_in_p returns true for any
    kind of built-in.

    PR analyzer/96962 reports a case where this matches for a
    machine-specific builtin, leading to an ICE.  Fixed thusly.

    gcc/analyzer/ChangeLog:
            PR analyzer/96962
            * region-model.cc (region_model::on_call_pre): Fix guard on swi=
tch
            on built-ins to only consider BUILT_IN_NORMAL, rather than other
            kinds of build-ins.=