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* middle-end/8917: g++ 3.3: ICE in simplify_gen_subreg
@ 2002-12-12 11:36 snyder
0 siblings, 0 replies; only message in thread
From: snyder @ 2002-12-12 11:36 UTC (permalink / raw)
To: gcc-gnats
>Number: 8917
>Category: middle-end
>Synopsis: g++ 3.3: ICE in simplify_gen_subreg
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: ice-on-legal-code
>Submitter-Id: net
>Arrival-Date: Thu Dec 12 11:36:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator: scott snyder
>Release: 3.3 20021211 (experimental)
>Organization:
<organization of PR author (multiple lines)>
>Environment:
System: Linux karma 2.4.19-emp_2419p5a829i #1 Tue Sep 3 17:42:17 EST 2002 i686 unknown
Architecture: i686
<machine, os, target, libraries (multiple lines)>
host: i686-pc-linux-gnu
build: i686-pc-linux-gnu
target: i686-pc-linux-gnu
configured with: ../gcc/configure --prefix=/usr/local/gcc --enable-threads=posix --enable-long-long --enable-languages=c,c++,f77 : (reconfigured) : (reconfigured)
>Description:
gcc crashes compiling the following source with -O1.
$ cc1plus -O1 x.cc
void get_chunk_object(THandle<int>) void bar(THandle<int>&) void bar(THandle<int>&)
x.cc:9: internal compiler error: in simplify_gen_subreg, at simplify-rtx.c:2673
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
$
It's tripping the assertion here (in simplify-rtx.c):
/* Little bit of sanity checking. */
if (innermode == VOIDmode || outermode == VOIDmode
|| innermode == BLKmode || outermode == BLKmode)
abort ();
because innermode == SImode.
>How-To-Repeat:
-------------------------
template <class T>
struct THandle
{
~THandle();
};
inline void
get_chunk_object(THandle<int> pchk)
{
}
void bar (THandle<int>& h)
{
get_chunk_object (h);
}
-------------------------
>Fix:
<how to correct or work around the problem, if known (multiple lines)>
>Release-Note:
>Audit-Trail:
>Unformatted:
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2002-12-12 11:36 middle-end/8917: g++ 3.3: ICE in simplify_gen_subreg snyder
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