attribs.c, [...]: Use %<, %> and %q for quoting in diagnostics going through pretty...

attribs.c, [...]: Use %<, %> and %q for quoting in diagnostics going through pretty-print.c.

gcc:
	* attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
	except.c, fold-const.c, function.c, langhooks.c, params.c,
	reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
	tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
	for quoting in diagnostics going through pretty-print.c.  Use ''
	for quoting in other diagnostic text.
	* langhooks.c: Include intl.h.  Mark text locating diagnostics for
	translation.
	* Makefile.in (langhooks.o): Update dependencies.
	* pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
	formats.

gcc/testsuite:
	* g++.dg/ext/member-attr.C, g++.dg/warn/deprecated.C,
	gcc.dg/deprecated.c, gcc.dg/noreturn-1.c, gcc.dg/noreturn-4.c:
	Update expected messages.

libmudflap:
	* testsuite/libmudflap.c/pass35-frag.c: Update expected message.

From-SVN: r87563