PR target/1679.
* config/m32r/m32r.c (m32r_function_symbol): New function: Generate a symbol
name RTX with the correct m32r specific flags set.
(block_move_call): Use new function to generate correct symbol.
* config/m32r/m32r-protos.h: Add prototype for new funcion.
* config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new function.