[Bug ipa/65908] [5/6 Regression] ICE: in expand_thunk, at cgraphunit.c:1700

["trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65908

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-04-27
                 CC|                            |trippels at gcc dot gnu.org
          Component|c++                         |ipa
            Summary|internal compiler error: in |[5/6 Regression] ICE: in
                   |expand_thunk                |expand_thunk, at
                   |                            |cgraphunit.c:1700
     Ever confirmed|0                           |1

--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat cvc3_compat.ii
class A
{
  A (A &);
};
class B
{
  const A &m_fn1 () const;
};
class C
{
  A m_fn2 () const;
};
A
C::m_fn2 () const
{
  throw 0;
}
const A &
B::m_fn1 () const
{
  throw 0;
}

markus@x4 tmp % g++ -O2 -fPIC -c cvc3_compat.ii
cvc3_compat.ii: In member function ‘A C::m_fn2() const’:
cvc3_compat.ii:22:1: internal compiler error: in expand_thunk, at
cgraphunit.c:1700
>From gcc-bugs-return-484773-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Apr 27 18:16:23 2015
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From: "jvdelisle at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libfortran/48852] Invalid spaces in list-directed output of complex constants
Date: Mon, 27 Apr 2015 18:16:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idH852

--- Comment #14 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
I have decided that to do this right I need to revamp how write_float.def and
associated functions are organized.  We have discussed doing this quite a while
ago, so now is the time.

I see it like this:

- Create a working buffer (currently buried down under, need it brought up)
- Get the digits based on the KIND etc (DTOA FTOA etc)
- Format the digits (right now mostly in output_float)
- Send the formatted digits out (split this out of output float)