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Re: optimization/8913: [3.3 regression] ICE in simplify_gen_subreg, at simplify-rtx.c
- From: bangerth at dealii dot org
- To: gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, nobody at gcc dot gnu dot org, rassahah at cs dot tu-berlin dot de
- Date: 12 Dec 2002 15:09:13 -0000
- Subject: Re: optimization/8913: [3.3 regression] ICE in simplify_gen_subreg, at simplify-rtx.c
- Reply-to: bangerth at dealii dot org, gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, nobody at gcc dot gnu dot org, rassahah at cs dot tu-berlin dot de, gcc-gnats at gcc dot gnu dot org
Old Synopsis: internal compiler error: in simplify_gen_subreg, at simplify-rtx.c
New Synopsis: [3.3 regression] ICE in simplify_gen_subreg, at simplify-rtx.c
State-Changed-From-To: open->analyzed
State-Changed-By: bangerth
State-Changed-When: Thu Dec 12 07:09:12 2002
State-Changed-Why:
Confirmed. This is a regression, 3.2 compiled it fine.
A slightly smaller testcase is
-------------------
template <class T> struct Ref {
Ref(int *);
~Ref();
};
struct User{
User (Ref<int> obj) {};
};
void test() {
User a (0);
}
-----------------------
yielding
tmp/g> /home/bangerth/bin/gcc-3.3-pre/bin/c++ -O -c x.cc
x.cc: In function `void test()':
x.cc:7: 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.
My compiler collection tells me that the regression was
introduced after Dec 1st this year, i.e. very recently.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8913