diff options
| author | cagney <cagney@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-23 16:33:44 +0000 |
|---|---|---|
| committer | cagney <cagney@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-23 16:33:44 +0000 |
| commit | 91b18148024f50688471ebf78eb295832af2bf4e (patch) | |
| tree | 40bde56f3c0f0b034afa8251d7b684434a00dddd /gcc/stmt.c | |
| parent | 9f20a11114ea77cc45ed4ceb31f1c40773993607 (diff) | |
| download | gcc-91b18148024f50688471ebf78eb295832af2bf4e.tar.gz | |
2002-03-23 Andrew Cagney <ac131313@redhat.com>
* doc/invoke.texi (Option Summary): Mention -Wswitch-default.
(Warning Options): Document -Wswitch-default.
* toplev.c (W_options): Add -Wswitch-default. Update comment on
-Wswitch.
(warn_switch_default): Define variable.
(warn_switch): Update comment.
* flags.h (warn_switch_default): Declare variable.
(warn_switch): Update comment.
* stmt.c (expand_end_case): Check for and, when
warn_switch_no_default, warn of a missing default case.
Index: f/ChangeLog
Sat Mar 23 11:18:17 2002 Andrew Cagney <ac131313@redhat.com>
* invoke.texi (Warning Options): Mention -Wswitch-default.
Index: testsuite/ChangeLog
2002-03-23 Andrew Cagney <ac131313@redhat.com>
* gcc.dg/Wswitch-default.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51238 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/stmt.c')
| -rw-r--r-- | gcc/stmt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/stmt.c b/gcc/stmt.c index 559795df092..6da3fab27ce 100644 --- a/gcc/stmt.c +++ b/gcc/stmt.c @@ -5284,6 +5284,9 @@ expand_end_case_type (orig_index, orig_type) && TREE_CODE (index_expr) != INTEGER_CST) check_for_full_enumeration_handling (orig_type); + if (warn_switch_default && !thiscase->data.case_stmt.default_label) + warning ("switch missing default case"); + /* If we don't have a default-label, create one here, after the body of the switch. */ if (thiscase->data.case_stmt.default_label == 0) |