re PR middle-end/23199 (ICE in int_mode_for_mode, at stor-layout.c:251)

	PR middle-end/23199
	* cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
	whether registers live on the edge can be saved/restored.

From-SVN: r105618

1 files changed, 35 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/profile-generate-2.c b/gcc/testsuite/gcc.dg/profile-generate-2.c
new file mode 100644
index 0000000..eaea065
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/profile-generate-2.c
@@ -0,0 +1,35 @@
+/* PR middle-end/23199 */
+/* Testcase by Ralf Menzel <menzel@ls6.cs.uni-dortmund.de> */
+
+/* { dg-do compile } */
+/* { dg-options "-O -fprofile-generate" } */
+
+union rtunion_def
+{
+  struct rtx_def *rt_rtx;
+};
+
+typedef union rtunion_def rtunion;
+
+struct rtx_def
+{
+  unsigned int in_struct : 1;
+  union u {
+    rtunion fld[1];
+  } u;
+};
+
+typedef struct rtx_def *rtx;
+
+static void
+check_annul_list_true_false (int annul_true_p, rtx delay_list)
+{
+  rtx temp;
+  while (1)
+    {
+      temp = delay_list;
+      rtx trial = (((temp)->u.fld[0]).rt_rtx);
+      if ((annul_true_p && (((trial))->in_struct)))
+       return;
+    }
+}