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From: snyder@fnal.gov To: gcc-gnats@gcc.gnu.org Subject: middle-end/8917: g++ 3.3: ICE in simplify_gen_subreg Date: Thu, 12 Dec 2002 11:36:00 -0000 [thread overview] Message-ID: <200212121934.NAA02447@d0sgibnl1.fnal.gov> (raw) >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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