diff options
author | Michael Matz <matz@suse.de> | 2007-11-01 03:06:38 +0000 |
---|---|---|
committer | Michael Matz <matz@gcc.gnu.org> | 2007-11-01 03:06:38 +0000 |
commit | e08f02f0bbb9691358c576baeeec19d17b943408 (patch) | |
tree | 39d227c4402c32d82e1058c5b1cbbaca3c445604 /gcc/testsuite/gcc.dg | |
parent | 42e2a99953cf781c937dcbb441c83faf5cc78bb3 (diff) | |
download | gcc-e08f02f0bbb9691358c576baeeec19d17b943408.zip gcc-e08f02f0bbb9691358c576baeeec19d17b943408.tar.gz gcc-e08f02f0bbb9691358c576baeeec19d17b943408.tar.bz2 |
re PR tree-optimization/33961 (gcc 4.3 causes crash valid code to crash)
PR tree-optimization/33961
* tree-ssa-phiopt.c (struct name_to_bb.store): New member.
(name_to_bb_hash, name_to_bb_eq): Consider and check it.
(add_or_mark_expr): New argument 'store', using it to search
the hash table.
(nt_init_block): Adjust calls to add_or_mark_expr.
* gcc.dg/pr33961.c: New test.
From-SVN: r129817
Diffstat (limited to 'gcc/testsuite/gcc.dg')
-rw-r--r-- | gcc/testsuite/gcc.dg/pr33961.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr33961.c b/gcc/testsuite/gcc.dg/pr33961.c new file mode 100644 index 0000000..43403ed --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr33961.c @@ -0,0 +1,23 @@ +/* PR tree-optimization/33961 */ +/* { dg-do run } */ +/* { dg-options "-O2 -ftree-cselim" } */ + +void decode(char *d, int len); + +void decode(char *d, int len) { + int i = len - 1; + while(i >= 0) { + d[i]; + if(d[i] == 0) + d[i]=' '; + if(d[i] == 1) + d[i]='x'; + i--; + } +} + +int main(int argc, char **argv) +{ + decode("this bug is really weird", 24); + return 0; +} |