Ada broken on i686-linux (some progress)

[Richard Kenner]

    could you please check whether this patch helps?

I can't say for sure it if "helps" or not, but this failure is
still present:

../../xgcc -B../../ -c -g -O2      -W -Wall -gnatpg  g-regexp.adb -o g-regexp.o
g-regexp.adb: In function `GNAT.REGEXP.COMPILE.CREATE_PRIMARY_TABLE.CREATE_SIMPL
E':
g-regexp.adb:521: error: Missing definition
for SSA_NAME: k.620<D2244>_174
in statement:
#   TMT.1766<D3788>_352 = V_MAY_DEF <TMT.1766<D3788>_464>;
#   TMT.1767<D3789>_351 = V_MAY_DEF <TMT.1767<D3789>_518>;
#   TMT.1768<D3790>_340 = V_MAY_DEF <TMT.1768<D3790>_457>;
#   TMT.1769<D3791>_339 = V_MAY_DEF <TMT.1769<D3791>_529>;
#   C.617<D2240>_338 = V_MAY_DEF <C.617<D2240>_519>;
#   TMT.1771<D3793>_337 = V_MAY_DEF <TMT.1771<D3793>_416>;
#   TMT.1772<D3794>_336 = V_MAY_DEF <TMT.1772<D3794>_540>;
#   TMT.1773<D3795>_331 = V_MAY_DEF <TMT.1773<D3795>_485>;
#   TMT.1774<D3796>_326 = V_MAY_DEF <TMT.1774<D3796>_308>;
#   VUSE <T.900<D2548>_357>;
*T.898<D2546>_175 = gnat__regexp__set (T.900<D2548>, T.897<D2545>_170, k.620<D22
44>_174, T.594<D2211>_173);