Commit: wrstabs.c: replace assertions with error returns

[Nick Clifton]

Hi Guys,

  I am applying the attached patch to replace the assertions in the
  STABS decoder with error returns.  We have recently had a PR filed
  against this file (PR 25714) because an assertion was being triggered
  and so forcing a core dump.

Cheers
  Nick

binutils/ChangeLog
2020-03-23  Nick Clifton  <nickc@redhat.com>

	PR 25714
	* wrstabs.c (stab_pop_type): Replace assertion with error return.
	* write_stabs_in_sections_debugging_info: Likewise.
	* stab_enum_type: Likewise.
	* stab_modify_type: Likewise.
	* stab_struct_field: Likewise.
	* stab_end_struct_type: Likewise.
	* stab_start_class_type: Likewise.
	* stab_class_static_member: Likewise.
	* stab_class_baseclass: Likewise.
	* stab_class_start_method: Likewise.
	* stab_class_method_var: Likewise.
	* stab_class_end_method: Likewise.
	* stab_end_class_type: Likewise.
	* stab_typedef_type: Likewise.
	* stab_start_function: Likewise.
	* stab_end_block: Likewise.
	* stab_lineno: Likewise.

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