re PR debug/4252 (cc1: Invalid option `-fdump-translation-unit')
PR debug/4252
* c-opts.c (c_common_handle_option): Pass -fdump argument suffix
to dump_switch_p().
* tree-dump.c (dump_switch_p): Remove redundant 'dump-' prefix
from static strings in dump_files.
cp:
* optimize.c (dump_function): Form complete flag name by
prefixing 'fdump-' to string returned by dump_flag_name().
java:
* lang.c (java_handle_option): Likewise.