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authorMichael Matz <matz@suse.de>2007-11-01 03:06:38 +0000
committerMichael Matz <matz@gcc.gnu.org>2007-11-01 03:06:38 +0000
commite08f02f0bbb9691358c576baeeec19d17b943408 (patch)
tree39d227c4402c32d82e1058c5b1cbbaca3c445604 /gcc/testsuite/gcc.dg
parent42e2a99953cf781c937dcbb441c83faf5cc78bb3 (diff)
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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.c23
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;
+}