gdb/
Make specifiable the make_function_type type memory ownership.
* gdbtypes.c (make_function_type): New parameter `objfile', use it
explicitely instead of TYPE-initialized removed local variable
`objfile'. Describe `objfile' it in the function comment.
(lookup_function_type): Update make_function_type callers.
* gdbtypes.h (make_function_type): Update the prototype.
* jv-lang.c (java_link_class_type): Update make_function_type callers.
* dwarf2read.c (read_subroutine_type): Likewise.
* stabsread.c (read_type): Likewise.