PR jit/63854: Introduce xstrdup_for_dump

gcc/ChangeLog:
	PR jit/63854
	* cgraph.h (xstrdup_for_dump): New function.
	* cgraph.c (cgraph_node::get_create): Replace use of xstrdup
	within fprintf with xstrdup_for_dump.
	(cgraph_edge::make_speculative): Likewise.
	(cgraph_edge::resolve_speculation): Likewise.
	(cgraph_edge::redirect_call_stmt_to_callee): Likewise.
	(cgraph_node::dump): Likewise.
	* cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
	* ipa-cp.c (perhaps_add_new_callers): Likewise.
	* ipa-inline.c (report_inline_failed_reason): Likewise.
	(want_early_inline_function_p): Likewise.
	(edge_badness): Likewise.
	(update_edge_key): Likewise.
	(flatten_function): Likewise.
	(inline_always_inline_functions): Likewise.
	* ipa-profile.c (ipa_profile): Likewise.
	* ipa-prop.c (ipa_print_node_jump_functions): Likewise.
	(ipa_make_edge_direct_to_target): Likewise.
	(remove_described_reference): Likewise.
	(propagate_controlled_uses): Likewise.
	* ipa-utils.c (ipa_merge_profiles): Likewise.

From-SVN: r218490