1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.dg/pr58805.c b/gcc-4.8/gcc/testsuite/gcc.dg/pr58805.c
new file mode 100644
index 000000000..dda0e4bdf
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/gcc.dg/pr58805.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
+
+/* Type that matches the 'p' constraint.  */
+#define TYPE void *
+
+static inline
+void bar (TYPE *r)
+{
+  TYPE t;
+  __asm__ ("" : "=&p" (t), "=p" (*r));
+}
+
+void
+foo (int n, TYPE *x, TYPE *y)
+{
+  if (n == 0)
+    bar (x);
+  else
+    bar (y);
+}
+
+/* { dg-final { scan-tree-dump-times "__asm__" 2 "pre"} } */
+/* { dg-final { cleanup-tree-dump "pre" } } */