1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr25654.c b/gcc/testsuite/gcc.dg/torture/pr25654.c
new file mode 100644
index 000000000..03761e93c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr25654.c
@@ -0,0 +1,37 @@
+/* { dg-do run } */
+
+extern void abort (void) __attribute__((noreturn));
+
+union setconflict
+{
+  short a[20];
+  int b[10];
+};
+
+int
+main ()
+{
+  int sum = 0;
+  {
+    union setconflict a;
+    short *c;
+    c = a.a;
+    asm ("": "=r" (c):"0" (c));
+    *c = 0;
+    asm ("": "=r" (c):"0" (c));
+    sum += *c;
+  }
+  {
+    union setconflict a;
+    int *c;
+    c = a.b;
+    asm ("": "=r" (c):"0" (c));
+    *c = 1;
+    asm ("": "=r" (c):"0" (c));
+    sum += *c;
+  }
+
+  if (sum != 1)
+    abort();
+  return 0;
+}