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| author | Nathan Froyd <froydnj@codesourcery.com> | 2011-05-13 13:44:04 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2011-05-13 06:44:04 -0700 |
| commit | eb9f925985506bf4c98f928bfdc141e2ea3e73a6 (patch) | |
| tree | e093ea692109ef0e29d21b89b833062d4b892c4d | |
| parent | 3c6cbf7ad1abf48e18c7130feb6e4f60fad938f7 (diff) | |
| download | gcc-eb9f925985506bf4c98f928bfdc141e2ea3e73a6.zip gcc-eb9f925985506bf4c98f928bfdc141e2ea3e73a6.tar.gz gcc-eb9f925985506bf4c98f928bfdc141e2ea3e73a6.tar.bz2 | |
Change edge_to_cases_cleanup to return true.
2011-05-13 Nathan Froyd <froydnj@codesourcery.com>
PR middle-end/48965
* tree-cfg.c (edge_to_cases_cleanup): Return true.
(verify_expr) [CASE_LABEL_EXPR]: Add checking.
From-SVN: r173733
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-cfg.c | 10 |
2 files changed, 15 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 52e6f10..5a8fdff 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-05-13 Nathan Froyd <froydnj@codesourcery.com> + + PR middle-end/48965 + * tree-cfg.c (edge_to_cases_cleanup): Return true. + (verify_expr) [CASE_LABEL_EXPR]: Add checking. + 2011-05-13 Kai Tietz <ktietz@redhat.com> * gimplify.c (gimplify_expr): Make sure operand is boolified. diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index c5fa416..9e74f58 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -843,7 +843,7 @@ edge_to_cases_cleanup (const void *key ATTRIBUTE_UNUSED, void **value, } *value = NULL; - return false; + return true; } /* Start recording information mapping edges to case labels. */ @@ -2830,6 +2830,14 @@ verify_expr (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED) *walk_subtrees = 0; break; + case CASE_LABEL_EXPR: + if (CASE_CHAIN (t)) + { + error ("invalid CASE_CHAIN"); + return t; + } + break; + default: break; } |