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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr49419.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr49419.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr49419.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr49419.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr49419.c
new file mode 100644
index 000000000..fddc16462
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr49419.c
@@ -0,0 +1,38 @@
+/* PR tree-optimization/49419 */
+
+extern void abort (void);
+
+struct S { int w, x, y; } *t;
+
+int
+foo (int n, int f, int *s, int m)
+{
+ int x, i, a;
+ if (n == -1)
+ return 0;
+ for (x = n, i = 0; t[x].w == f && i < m; i++)
+ x = t[x].x;
+ if (i == m)
+ abort ();
+ a = i + 1;
+ for (x = n; i > 0; i--)
+ {
+ s[i] = t[x].y;
+ x = t[x].x;
+ }
+ s[0] = x;
+ return a;
+}
+
+int
+main (void)
+{
+ int s[3], i;
+ struct S buf[3] = { { 1, 1, 2 }, { 0, 0, 0 }, { 0, 0, 0 } };
+ t = buf;
+ if (foo (0, 1, s, 3) != 2)
+ abort ();
+ if (s[0] != 1 || s[1] != 2)
+ abort ();
+ return 0;
+}