[Bug c++/66450] [5 Regression][C++11][constexpr] Issues when delegating implicit copy constructor in constexpr function

["daniel.kruegler at googlemail dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66450

Daniel Krügler <daniel.kruegler at googlemail dot com> changed:

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--- Comment #1 from Daniel Krügler <daniel.kruegler at googlemail dot com> ---
The problem also occurs in gcc HEAD 6.0.0 20150607 (experimental)
>From gcc-bugs-return-488407-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Jun 08 18:04:39 2015
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From: "anlauf at gmx dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/66461] ICE on missing end program in fixed source
Date: Mon, 08 Jun 2015 18:04:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idf461

Harald Anlauf <anlauf at gmx dot de> changed:

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--- Comment #1 from Harald Anlauf <anlauf at gmx dot de> ---
(In reply to Gerhard Steinmetz from comment #0)
> A missing end program in a "fixed" source s.f :
>       program p
>          integer x(2)
>          x = 0
>          if ( x(1) < 0 .or.
>      &        x(2) < 0 ) print *, x
>       !end
>
> yields :
> f951: internal compiler error: free_expr0(): Bad expr type

That's obviously an old regression:

gcc/4.4.5:

pr66451.f:4.27:

         if ( x(1) < 0 .or.
                           1
Error: Syntax error in expression at (1)
Error: Unexpected end of file in 'pr66451.f'

gcc/4.5.2:

pr66451.f:4.9:

         if ( x(1) < 0 .or.
         1
Internal Error at (1):
free_expr0(): Bad expr type