* toplev.h (_fatal_insn_not_found, _fatal_insn): Move declarations
to rtl.h.
(error_for_asm, warning_for_asm): Move declarations to rtl-error.h.
* rtl.h (_fatal_insn_not_found, _fatal_insn): Move declarations
here.
* rtl-error.h: New.
* regrename.c: Do not include toplev.h. Include rtl-error.h.
* rtl-error.c: Likewise.
* reload.c: Likewise.
* recog.c: Likewise.
* sel-sched.c: Likewise.
* function.c: Likewise.
* reg-stack.c: Likewise.
* cfgrtl.c: Likewise.
* reload1.c: Likewise.
* final.c: Include rtl-error.