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| author | Marek Polacek <polacek@redhat.com> | 2016-10-07 12:44:54 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2016-10-07 12:44:54 +0000 |
| commit | a9172bf307dd49fa001387f4b514ea49d38f2092 (patch) | |
| tree | 9a20274567104fda6593fcc35ed4b64bb5d20406 /gcc/gimplify.c | |
| parent | 8a14afd0657b21e1de31fd1b2146056b09dbab5b (diff) | |
| download | gcc-a9172bf307dd49fa001387f4b514ea49d38f2092.zip gcc-a9172bf307dd49fa001387f4b514ea49d38f2092.tar.gz gcc-a9172bf307dd49fa001387f4b514ea49d38f2092.tar.bz2 | |
gimplify.c (should_warn_for_implicit_fallthrough): Check for FALLTHROUGH_LABEL_P here...
* gimplify.c (should_warn_for_implicit_fallthrough): Check for
FALLTHROUGH_LABEL_P here...
(warn_implicit_fallthrough_r): ...not here.
* c-c++-common/Wimplicit-fallthrough-22.c: New test.
From-SVN: r240864
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index a60d947..2266333 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -1819,6 +1819,10 @@ should_warn_for_implicit_fallthrough (gimple_stmt_iterator *gsi_p, tree label) { gimple_stmt_iterator gsi = *gsi_p; + /* Don't warn if the label is marked with a "falls through" comment. */ + if (FALLTHROUGH_LABEL_P (label)) + return false; + /* Don't warn for a non-case label followed by a statement: case 0: foo (); @@ -1905,7 +1909,6 @@ warn_implicit_fallthrough_r (gimple_stmt_iterator *gsi_p, bool *handled_ops_p, if (gimple_code (next) == GIMPLE_LABEL && gimple_has_location (next) && (label = gimple_label_label (as_a <glabel *> (next))) - && !FALLTHROUGH_LABEL_P (label) && prev != NULL) { struct label_entry *l; |