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Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/torture/pr44913.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/torture/pr44913.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr44913.c b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr44913.c
new file mode 100644
index 000000000..eef61fbfb
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr44913.c
@@ -0,0 +1,24 @@
+/* { dg-do run } */
+
+void __attribute__((noinline,noclone))
+foo (int *a, int n)
+{
+ int *lasta = a + n;
+ for (; a != lasta; a++)
+ {
+ *a *= 2;
+ a[1] = a[-1] + a[-2];
+ }
+}
+extern void abort (void);
+int main()
+{
+ int a[16] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
+ int r[16] = { 1, 2, 6, 6, 16, 24, 44, 80, 136, 248, 432, 768, 1360, 2400, 4256, 3760 };
+ unsigned i;
+ foo (&a[2], 13);
+ for (i = 0; i < 8; ++i)
+ if (a[i] != r[i])
+ abort ();
+ return 0;
+}