[MAINLINE] Bootstrap failure on i686-pc-linux-gnu

[Gabriel Dos Reis]

Mainline is broken on i686:

./xgcc -B./ -B/codesourcery/i686-pc-linux-gnu/bin/ -isystem
/codesourcery/i686-pc-linux-gnu/include -O2   -DIN_GCC    -W -Wall
-Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -isystem
./include  -fPIC -g1  -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED
-I. -I. -I/codesourcery/egcs/gcc
-I/codesourcery/egcs/gcc/. -I/codesourcery/egcs/gcc/config
-I/codesourcery/egcs/gcc/../include  -fexceptions -DL_eh -c
/codesourcery/egcs/gcc/libgcc2.c -o libgcc/./_eh.o
/codesourcery/egcs/gcc/libgcc2.c: In function
`find_exception_handler':
/codesourcery/egcs/gcc/libgcc2.c:3745: Unrecognizable insn:
(insn 251 64 66 (set (reg:SI 81)
        (ashift:SI (reg/v:SI 48)
            (const_int 4 [0x4]))) -1 (insn_list 64 (nil))
    (expr_list:REG_DEAD (reg/v:SI 48)
        (nil)))


-- Gaby
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