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| author | Richard Guenther <rguenther@suse.de> | 2012-09-11 08:32:29 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-09-11 08:32:29 +0000 |
| commit | 5a27a197d8ee9ca67e567ecf220e16d9bc4b44b6 (patch) | |
| tree | 98c427e048e3281aefa608f46fb037c66bd0f9e8 /gcc/gimple-fold.c | |
| parent | d015040192cfa7bfffcd4178c1280ec5570f28c6 (diff) | |
| download | gcc-5a27a197d8ee9ca67e567ecf220e16d9bc4b44b6.zip gcc-5a27a197d8ee9ca67e567ecf220e16d9bc4b44b6.tar.gz gcc-5a27a197d8ee9ca67e567ecf220e16d9bc4b44b6.tar.bz2 | |
re PR middle-end/54515 (cc1plus sigsegv -O2 anonymous namespace)
2012-09-11 Richard Guenther <rguenther@suse.de>
PR middle-end/54515
* gimple.c (get_base_address): Do not return NULL_TREE apart
from for WITH_SIZE_EXPR.
* gimple-fold.c (canonicalize_constructor_val): Do not call
get_base_address when not necessary.
* g++.dg/tree-ssa/pr54515.C: New testcase.
From-SVN: r191174
Diffstat (limited to 'gcc/gimple-fold.c')
| -rw-r--r-- | gcc/gimple-fold.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index 42bc0fc..bb13e1f 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -154,13 +154,15 @@ canonicalize_constructor_val (tree cval, tree from_decl) } if (TREE_CODE (cval) == ADDR_EXPR) { - tree base = get_base_address (TREE_OPERAND (cval, 0)); - if (!base && TREE_CODE (TREE_OPERAND (cval, 0)) == COMPOUND_LITERAL_EXPR) + tree base = NULL_TREE; + if (TREE_CODE (TREE_OPERAND (cval, 0)) == COMPOUND_LITERAL_EXPR) { base = COMPOUND_LITERAL_EXPR_DECL (TREE_OPERAND (cval, 0)); if (base) TREE_OPERAND (cval, 0) = base; } + else + base = get_base_address (TREE_OPERAND (cval, 0)); if (!base) return NULL_TREE; |