http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54831
--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2012-10-07 17:10:13 UTC --- Shouldn't vt_get_decl_and_offset handle: vt_get_decl_and_offset (rtl=0x7ffff1abad60, declp=0x7fffffffda00, offsetp=0x7fffffffda08) at /export/gnu/import/git/gcc/gcc/var-tracking.c:9275 9275 if (REG_P (rtl)) (gdb) call debug_rtx (rtl) (parallel:TI [ (expr_list:REG_DEP_TRUE (reg:DI 5 di [ f ]) (const_int 0 [0])) (expr_list:REG_DEP_TRUE (reg:DI 4 si [ f+8 ]) (const_int 8 [0x8])) ]) (gdb)