1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr42025-1.c b/gcc/testsuite/gcc.c-torture/compile/pr42025-1.c
new file mode 100644
index 000000000..f19123eaf
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr42025-1.c
@@ -0,0 +1,24 @@
+typedef void* Ptr;
+
+struct A
+{
+  int i;
+  union
+  {
+    Ptr p;
+    char *q;
+  } u;
+};
+
+static void foo(struct A *p, char *q)
+{
+  if (p->i)
+    p->u.p = 0;
+  else
+    p->u.q = q;
+}
+
+void bar(struct A *p, char *q)
+{
+  foo(p, q);
+}