Re: optimization/8913: [3.3 regression] ICE in simplify_gen_subreg, at simplify-rtx.c

[Janis Johnson <janis187@us.ibm.com>]

The following reply was made to PR optimization/8913; it has been noted by GNATS.

From: Janis Johnson <janis187@us.ibm.com>
To: rassahah@cs.tu-berlin.de, gcc-gnats@gcc.gnu.org, gcc-prs@gcc.gnu.org,
   gcc-bugs@gcc.gnu.org, nobody@gcc.gnu.org
Cc:  
Subject: Re: optimization/8913: [3.3 regression] ICE in simplify_gen_subreg, at 
 simplify-rtx.c
Date: Thu, 12 Dec 2002 17:03:09 -0800

 The regression reported in PR c++/8913 showed up starting with this
 patch, which might merely uncover an existing problem:
 
 gcc:
 
 >2002-12-04  Jason Merrill  <jason@redhat.com>
 >
 >       PR c++/8461, c++/8625
 >       * integrate.c (copy_decl_for_inlining): Handle explicit
 invisible
 >       references.
 >       * tree-inline.c (initialize_inlined_parameters): Likewise.
 >
 >       * tree.c (variably_modified_type_p): Just return an
 error_mark_node.
 
 gcc/cp:
 
 >2002-12-03  Jason Merrill  <jason@redhat.com>
 >
 >       PR c++/8461, c++/8625
 >       * call.c (convert_for_arg_passing): Don't mess with
 error_mark_node.
 >       (cp_convert_parm_for_inlining): Remove.
 >       * cp-lang.c
 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
 >       Remove.
 >       * cp-tree.h (ADDR_IS_INVISIREF): Remove.
 >       * except.c (stabilize_throw_expr): Remove ADDR_IS_INVISIREF
 code.
 
 Wolfgang narrowed the window to a two-week period, and I'm working on a
 script
 to automate the search for a regression down to the hour when it was
 introduced.
 
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8913