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Re: purge_addressof bootstrap failure (was fix opt/8634)
- From: Janis Johnson <janis187 at us dot ibm dot com>
- To: David Edelsohn <dje at watson dot ibm dot com>
- Cc: Richard Henderson <rth at redhat dot com>, Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>, gcc-patches at gcc dot gnu dot org, gcc at gcc dot gnu dot org
- Date: Wed, 9 Apr 2003 08:34:07 -0700
- Subject: Re: purge_addressof bootstrap failure (was fix opt/8634)
- References: <20030407214230.GN9659@redhat.com> <200304091452.KAA15154@makai.watson.ibm.com>
On Wed, Apr 09, 2003 at 10:52:26AM -0400, David Edelsohn wrote:
> The follow-up patch
>
> * function.c (postponed_insns): New.
> (purge_addressof_1): Postpone processing of insns if addressofs
> are not put into stack.
> (purge_addressof): Process postponed insns.
>
> introduced a bootstrap failure on AIX:
>
> /gcc/dje/build/powerpc-ibm-aix4.3.3.0-20030408/powerpc-ibm-aix4.3.3.0/pthread/libstdc++-v3/include/bits/istream.tcc: In
> function `std::basic_istream<_CharT, _Traits>&
> std::operator>>(std::basic_istream<_CharT, _Traits>&,
> std::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char, _Traits =
> std::char_traits<char>, _Alloc = std::allocator<char>]':
> /gcc/dje/src/libstdc++-v3/src/misc-inst.cc:47: instantiated from here
> /gcc/dje/build/powerpc-ibm-aix4.3.3.0-20030408/powerpc-ibm-aix4.3.3.0/pthread/libstdc++-v3/include/bits/istream.tcc:1137: internal compiler error: RTL
> flag check: CONST_OR_PURE_CALL_P used with unexpected rtx code `insn_list'
> in sched_analyze, at sched-deps.c:1274
I see the same thing on powerpc-unknown-linux-gnu and
powerpc64-unknown-linux-gnu.
Janis