diff options
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 1f1c3f5..5a727c6 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -1195,6 +1195,10 @@ int warnings_are_errors = 0; int warn_unused; +/* Nonzero to warn about code which is never reached. */ + +int warn_notreached; + /* Nonzero to warn about variables used before they are initialized. */ int warn_uninitialized; @@ -1253,6 +1257,8 @@ lang_independent_options W_options[] = "Warn about returning structures, unions or arrays" }, {"cast-align", &warn_cast_align, 1, "Warn about pointer casts which increase alignment" }, + {"unreachable-code", &warn_notreached, 1, + "Warn about code that will never be executed" }, {"uninitialized", &warn_uninitialized, 1, "Warn about unitialized automatic variables"}, {"inline", &warn_inline, 1, @@ -2944,7 +2950,8 @@ compile_file (name) init_rtl (); init_emit_once (debug_info_level == DINFO_LEVEL_NORMAL || debug_info_level == DINFO_LEVEL_VERBOSE - || flag_test_coverage); + || flag_test_coverage + || warn_notreached); init_regs (); init_decl_processing (); init_optabs (); |