1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr46521.c b/gcc/testsuite/gcc.dg/pr46521.c
new file mode 100644
index 000000000..0c41c4328
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr46521.c
@@ -0,0 +1,20 @@
+/* { dg-do compile { target powerpc*-*-* ia64-*-* x86_64-*-* } } */
+/* { dg-options "-Os -fselective-scheduling2 -fsel-sched-pipelining -fprofile-generate -fno-early-inlining" } */
+
+static void bmp_iter_next (int *bi)
+{
+  *bi >>= 1;
+}
+
+int bmp_iter_set (int *, int);
+void bitmap_clear (void);
+void bitmap_initialize_stat (void);
+
+void df_md_alloc (int bi, int bb_index, int bb_info)
+{
+  for (; bmp_iter_set (&bi, bb_index); bmp_iter_next (&bi))
+    if (bb_info)
+      bitmap_clear ();
+    else
+      bitmap_initialize_stat ();
+}