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Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/pr24716.c')
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/pr24716.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr24716.c b/gcc/testsuite/gcc.c-torture/execute/pr24716.c
new file mode 100644
index 000000000..c2473f84c
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr24716.c
@@ -0,0 +1,59 @@
+/* PR24716, scalar evolution returning the wrong result
+ for pdest. */
+
+int Link[] = { -1 };
+int W[] = { 2 };
+
+extern void abort (void);
+
+int f (int k, int p)
+{
+ int pdest, j, D1361;
+ j = 0;
+ pdest = 0;
+ for (;;) {
+ if (pdest > 2)
+ do
+ j--, pdest++;
+ while (j > 2);
+
+ if (j == 1)
+ break;
+
+ while (pdest > p)
+ if (j == p)
+ pdest++;
+
+ do
+ {
+ D1361 = W[k];
+ do
+ if (D1361 != 0)
+ pdest = 1, W[k] = D1361 = 0;
+ while (p < 1);
+ } while (k > 0);
+
+ do
+ {
+ p = 0;
+ k = Link[k];
+ while (p < j)
+ if (k != -1)
+ pdest++, p++;
+ }
+ while (k != -1);
+ j = 1;
+ }
+
+ /* The correct return value should be pdest (1 in the call from main).
+ DOM3 is mistaken and propagates a 0 here. */
+ return pdest;
+}
+
+int main ()
+{
+ if (!f (0, 2))
+ abort ();
+ return 0;
+}
+