[Bug middle-end/18494] [4.0 regression] mmix-knuth-mmixware testsuite failure: gcc.c-torture/compile/structs.c (et al)

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-11-15 
05:14 -------
(gdb) p debug_rtx(entry_parm)
(reg:BLK 0 $0 [ foo3 ])

Explicantly this part which caused it:
-             rtx reg = gen_rtx_REG (word_mode, REGNO (data->entry_parm));
+             rtx reg = gen_lowpart (word_mode, entry_parm);

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18494