[Bug target/24982] New: Bootstrap failure with ICE in refers_to_regno_for_reload_p

["kkojima at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

The mainline and 4.1 fails to bootstrap on sh4-unknown-linux-gnu with

stage1/xgcc -Bstage1/ -B/usr/gnu/sh4-unknown-linux-gnu/bin/ -c   -g -O2
-DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes
-pedantic -Wno-long-long -Wno-variadic-macros -Wold-style-definition
-Wmissing-format-attribute -Werror -fno-common   -DHAVE_CONFIG_H -I. -I.
-I../../LOCAL/trunk/gcc -I../../LOCAL/trunk/gcc/.
-I../../LOCAL/trunk/gcc/../include -I../../LOCAL/trunk/gcc/../libcpp/include   
 ../../LOCAL/trunk/gcc/fold-const.c -o fold-const.o
../../LOCAL/trunk/gcc/fold-const.c: In function 'fold_binary':
../../LOCAL/trunk/gcc/fold-const.c:9884: internal compiler error: in
refers_to_regno_for_reload_p, at reload.c:6281

Binary search shows that it starts to fail after the patch

r107093 | rth | 2005-11-17 02:23:23 +0900 (Thu, 17 Nov 2005) | 13 lines

is applied.


-- 
           Summary: Bootstrap failure with ICE in
                    refers_to_regno_for_reload_p
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Keywords: ice-checking
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: kkojima at gcc dot gnu dot org
 GCC build triplet: sh4-*-linux-gnu
  GCC host triplet: sh4-*-linux-gnu
GCC target triplet: sh4-*-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24982