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| author | Richard Guenther <rguenther@suse.de> | 2009-04-22 15:41:48 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-04-22 15:41:48 +0000 |
| commit | aea4deba9fe05d970dff5a8f16c584680243319f (patch) | |
| tree | 830677aad4b37fb8c1aebd51f53cf58a6b139f58 /gcc/tree-ssa-ccp.c | |
| parent | cfc935327585254eabd5c18f298b1b4bc28a2b02 (diff) | |
| download | gcc-aea4deba9fe05d970dff5a8f16c584680243319f.zip gcc-aea4deba9fe05d970dff5a8f16c584680243319f.tar.gz gcc-aea4deba9fe05d970dff5a8f16c584680243319f.tar.bz2 | |
re PR middle-end/39824 (ice in fold-const.c)
2009-04-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39824
* tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
make sure the types are compatible.
* gcc.c-torture/compile/pr39824.c: New testcase.
From-SVN: r146592
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index 9cf2f83..437d426 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -1329,7 +1329,9 @@ fold_const_aggregate_ref (tree t) if (TREE_CODE (base) == SSA_NAME && (value = get_value (base)) && value->lattice_val == CONSTANT - && TREE_CODE (value->value) == ADDR_EXPR) + && TREE_CODE (value->value) == ADDR_EXPR + && useless_type_conversion_p (TREE_TYPE (t), + TREE_TYPE (TREE_TYPE (value->value)))) return fold_const_aggregate_ref (TREE_OPERAND (value->value, 0)); break; } |