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b313a0fe15
* c-decl.c (warn_missing_noreturn): Remove.
(c_expand_body): Don't set or check can_reach_end.
* c-tree.h (warn_missing_noreturn): Move ...
* flags.h: ... here.
(can_reach_end): Remove.
* flow.c (check_function_return_warnings): New.
(make_edges): No edge to exit for noreturn sibcalls.
* function.c (expand_function_end): Save the return value
clobber instruction.
(mark_function_status): Mark it.
* function.h (struct function): Add x_clobber_return_insn.
* jump.c (can_reach_end): Remove.
(calculate_can_reach_end): Remove.
(jump_optimize_1): Don't call it.
* output.h (check_function_return_warnings): Declare.
* toplev.c (warn_missing_noreturn): Move from c-decl.c
(rest_of_compilation): Call check_function_return_warnings.
From-SVN: r36750
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. Check the INSTALL directory for detailed configuration and installation instructions. Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.