coverage.c (get_coverage_counts): Use current_function_decl.

coverage.c (get_coverage_counts): Use current_function_decl.

	* coverage.c (get_coverage_counts): Use current_function_decl.
	* profile.c (read_thunk_profile): New function.
	(branch_prob): Add THUNK parameter.
	* tree-profile.c (tree_profiling): Handle thunks.
	* value-prof.c (init_node_map): Handle thunks.
	* value-prof.h (branch_prob): Upate prototype.
	(read_thunk_profile): Declare.

	* g++.dg/tree-prof/devirt.C: Update testcase.

From-SVN: r267495