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| author | Richard Biener <rguenther@suse.de> | 2017-06-19 07:17:55 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-06-19 07:17:55 +0000 |
| commit | db9bbdeca441e21f50b12cbfc2ff34992242b4f3 (patch) | |
| tree | 2dd74aa5ee4c48fb661ebf5776878a3a0c3167a9 /gcc/ipa-prop.c | |
| parent | 245ad722ca8f9605165f90f9dd3f8e6137e68b38 (diff) | |
| download | gcc-db9bbdeca441e21f50b12cbfc2ff34992242b4f3.zip gcc-db9bbdeca441e21f50b12cbfc2ff34992242b4f3.tar.gz gcc-db9bbdeca441e21f50b12cbfc2ff34992242b4f3.tar.bz2 | |
re PR ipa/81112 (internal compiler error: tree check: expected integer_cst, have range_expr in get_len, at tree.h:5321)
2017-06-19 Richard Biener <rguenther@suse.de>
PR ipa/81112
* ipa-prop.c (find_constructor_constant_at_offset): Handle
RANGE_EXPR conservatively.
* g++.dg/torture/pr81112.C: New testcase.
From-SVN: r249357
Diffstat (limited to 'gcc/ipa-prop.c')
| -rw-r--r-- | gcc/ipa-prop.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ipa-prop.c b/gcc/ipa-prop.c index 292f3e2..51f6221 100644 --- a/gcc/ipa-prop.c +++ b/gcc/ipa-prop.c @@ -3013,7 +3013,10 @@ find_constructor_constant_at_offset (tree constructor, HOST_WIDE_INT req_offset) if (index) { - off = wi::to_offset (index); + if (TREE_CODE (index) == RANGE_EXPR) + off = wi::to_offset (TREE_OPERAND (index, 0)); + else + off = wi::to_offset (index); if (TYPE_DOMAIN (type) && TYPE_MIN_VALUE (TYPE_DOMAIN (type))) { tree low_bound = TYPE_MIN_VALUE (TYPE_DOMAIN (type)); @@ -3022,6 +3025,8 @@ find_constructor_constant_at_offset (tree constructor, HOST_WIDE_INT req_offset) TYPE_PRECISION (TREE_TYPE (index))); } off *= wi::to_offset (unit_size); + /* ??? Handle more than just the first index of a + RANGE_EXPR. */ } else off = wi::to_offset (unit_size) * ix; |