1 files changed, 15 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.target/i386/pr39431.c b/gcc-4.8/gcc/testsuite/gcc.target/i386/pr39431.c
new file mode 100644
index 000000000..0db7d5643
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/gcc.target/i386/pr39431.c
@@ -0,0 +1,15 @@
+/* PR target/39431 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-options "-O2 -march=i686 -fpic" { target { ia32 && fpic } } } */
+
+extern void bar (char *, int);
+
+int
+foo (long long *p, long long oldv, long long *q, int n)
+{
+  char buf[n];
+  bar (buf, n);
+  p[256 + n] = __sync_val_compare_and_swap (p + n, oldv, oldv + 6);
+  return __sync_bool_compare_and_swap (q + n, oldv, oldv + 8);
+}