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| author | Jakub Jelinek <jakub@redhat.com> | 2010-05-31 17:42:10 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-05-31 17:42:10 +0200 |
| commit | 6a866023b73e83b4cd3692b3655ad0522fddddaa (patch) | |
| tree | b716fddb474b0e91db60b56b8c1b3b22c5fde518 /gcc/expr.c | |
| parent | 90a7788bbc9890f681aa8434a861d88c3a9eb815 (diff) | |
| download | gcc-6a866023b73e83b4cd3692b3655ad0522fddddaa.zip gcc-6a866023b73e83b4cd3692b3655ad0522fddddaa.tar.gz gcc-6a866023b73e83b4cd3692b3655ad0522fddddaa.tar.bz2 | |
re PR middle-end/44337 (ICE: in expand_assignment, at expr.c:4276)
PR middle-end/44337
* expr.c (expand_assignment): Don't store anything for out-of-bounds
array accesses with non-MEM.
* gcc.dg/pr44337.c: New test.
From-SVN: r160076
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 13 |
1 files changed, 12 insertions, 1 deletions
@@ -4268,8 +4268,19 @@ expand_assignment (tree to, tree from, bool nontemporal) offset)); } + /* No action is needed if the target is not a memory and the field + lies completely outside that target. This can occur if the source + code contains an out-of-bounds access to a small array. */ + if (!MEM_P (to_rtx) + && GET_MODE (to_rtx) != BLKmode + && (unsigned HOST_WIDE_INT) bitpos + >= GET_MODE_BITSIZE (GET_MODE (to_rtx))) + { + expand_normal (from); + result = NULL; + } /* Handle expand_expr of a complex value returning a CONCAT. */ - if (GET_CODE (to_rtx) == CONCAT) + else if (GET_CODE (to_rtx) == CONCAT) { if (COMPLEX_MODE_P (TYPE_MODE (TREE_TYPE (from)))) { |