[Bug middle-end/34856] [4.3 Regression] ICE with some constant vectors

["rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #10 from rguenther at suse dot de  2008-01-23 09:21 -------
Subject: Re:  [4.3 Regression] ICE with some
 constant vectors

On Tue, 22 Jan 2008, dominiq at lps dot ens dot fr wrote:

> ------- Comment #8 from dominiq at lps dot ens dot fr  2008-01-22 23:50 -------
> On i686-apple-darwin9, testsuite/gcc.c-torture/compile/pr34856.c gives an ICE
> at -O3 with trunk rev.131745:
> 
> [ibook-dhum] f90/bug% /opt/gcc/w1-gcc4.3w/bin/gcc -O3
> /opt/gcc/_gcc_clean/gcc/testsuite/gcc.c-torture/compile/pr34856.c
> /opt/gcc/_gcc_clean/gcc/testsuite/gcc.c-torture/compile/pr34856.c: In function
> 'f1':
> /opt/gcc/_gcc_clean/gcc/testsuite/gcc.c-torture/compile/pr34856.c:16: error:
> invalid reference prefix
> {(unsigned int) &g[16]}
> 
> /opt/gcc/_gcc_clean/gcc/testsuite/gcc.c-torture/compile/pr34856.c:16: internal
> compiler error: verify_stmts failed

Works for me.  The tree-cfg.c hunk was supposed to fix this.  Instead
it should ICE in

internal compiler error: in simplify_immed_subreg, at simplify-rtx.c:4761

Richard.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34856