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| author | Richard Guenther <rguenther@suse.de> | 2009-08-28 19:36:05 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-08-28 19:36:05 +0000 |
| commit | 0b95297232736eb92981a0a79df27371bab7215a (patch) | |
| tree | b996ceee5e10825066fb23061e5589920b8b8f49 /gcc/cp/cp-gimplify.c | |
| parent | 629fff4bf29ced5d30c05c836f2b8b71b29c6d2b (diff) | |
| download | gcc-0b95297232736eb92981a0a79df27371bab7215a.zip gcc-0b95297232736eb92981a0a79df27371bab7215a.tar.gz gcc-0b95297232736eb92981a0a79df27371bab7215a.tar.bz2 | |
re PR lto/41058 (FAIL: ext/pb_ds/regression/hash_data_map_rand.cc)
2009-08-28 Richard Guenther <rguenther@suse.de>
PR lto/41058
* cp-gimplify.c (cp_genericize_r): Do not leak zero-sized stores
into the generic IL.
From-SVN: r151176
Diffstat (limited to 'gcc/cp/cp-gimplify.c')
| -rw-r--r-- | gcc/cp/cp-gimplify.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/cp/cp-gimplify.c b/gcc/cp/cp-gimplify.c index b4d36de4..52c12eb 100644 --- a/gcc/cp/cp-gimplify.c +++ b/gcc/cp/cp-gimplify.c @@ -853,6 +853,15 @@ cp_genericize_r (tree *stmt_p, int *walk_subtrees, void *data) *walk_subtrees = 0; } + else if (TREE_CODE (stmt) == MODIFY_EXPR + && (integer_zerop (cp_expr_size (TREE_OPERAND (stmt, 0))) + || integer_zerop (cp_expr_size (TREE_OPERAND (stmt, 1))))) + { + *stmt_p = build2 (COMPOUND_EXPR, TREE_TYPE (stmt), + TREE_OPERAND (stmt, 0), + TREE_OPERAND (stmt, 1)); + } + pointer_set_insert (p_set, *stmt_p); return NULL; |