gdb/

gdb/
	Fix internal error on canonicalization of clang types.
	* cp-name-parser.y (operator): New comment at make_operator call for
	new, delete, new[] and delete[].
	(exp): Use "sizeof ".  Add new comment at make_operator call.

gdb/testsuite/
	Fix internal error on canonicalization of clang types.
	* gdb.dwarf2/dw2-canonicalize-type.S: New file.
	* gdb.dwarf2/dw2-canonicalize-type.exp: New file.
	* lib/gdb.exp (gdb_file_cmd): Catch also GDB internal error.