1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr46734.C b/gcc/testsuite/g++.dg/tree-ssa/pr46734.C
new file mode 100644
index 000000000..e95c62089
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr46734.C
@@ -0,0 +1,34 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fipa-sra" } */
+
+struct A
+{
+  int *p;
+  A() {p = (int *) -1;}
+  ~A() {if (p && p != (int *) -1) *p = 0;}
+};
+
+struct B
+{
+  A a;
+  char data[23];
+  B() : a() {data[0] = 0;}
+};
+
+extern A ga;
+extern int *gi;
+extern void *gz;
+extern B *gb;
+
+static int * __attribute__ ((noinline)) foo (B *b, void *z)
+{
+  __builtin_memcpy (gz, z, 28);
+  ga = b->a;
+  return b->a.p;
+}
+
+int *bar (B *b, void *z)
+{
+  gb = b;
+  return foo (b, z);
+}