1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tls/opt-12.c b/gcc/testsuite/gcc.dg/tls/opt-12.c
new file mode 100644
index 00000000000..7c6e73430a1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tls/opt-12.c
@@ -0,0 +1,50 @@
+/* PR target/29198 */
+/* { dg-do run } */
+/* { dg-options "-O2 -fpic" } */
+/* { dg-require-effective-target tls_runtime } */
+/* { dg-require-effective-target fpic } */
+
+extern void abort (void);
+
+int f2 (int, int, int, int);
+struct s { char b[4]; };
+__thread struct s thra[2];
+
+void
+__attribute__((noinline))
+f1 (int a1, int a2)
+{
+  int i, j;
+  for (i = 0; i < 4; i++)
+    {
+      int tot = 0;
+      for (j = 0; j < 4; j++)
+	tot += f2 (a1, a2, i, j);
+      *(&thra[0].b[0] + i) = tot;
+    }
+}
+
+int
+__attribute__((noinline))
+f2 (int a, int b, int c, int d)
+{
+  return a + b + c + d;
+}
+
+int
+main (void)
+{
+  f1 (0, 0);
+  if (thra[0].b[0] != 6
+      || thra[0].b[1] != 10
+      || thra[0].b[2] != 14
+      || thra[0].b[3] != 18)
+    abort ();
+  f1 (2, 3);
+  if (thra[0].b[0] != 26
+      || thra[0].b[1] != 30
+      || thra[0].b[2] != 34
+      || thra[0].b[3] != 38)
+    abort ();
+  return 0;
+}