function.h (struct function): Rename to x_stack_check_probe_note.

	* function.h (struct function) <x_tail_recursion_reentry>:
	Rename to x_stack_check_probe_note.
	(tail_recursion_reentry): Rename to stack_check_probe_note.
	* function.c: Replace tail_recursion_reentry with
	stack_check_probe_note everywhere.
	(expand_function_start): Only emit a note for
	stack_check_probe_note with -fstack-protect.
	* stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.

	* emit-rtl.c (remove_unnecessary_notes): Remove.
	(pass_remove_unnecessary_notes): Remove.
	* rtl.h (remove_unnecessary_notes): Remove prototype.
	* final.c (final_start_function): Don't call remove_unnecessary_notes.
	* tree-pass.h (pass_remove_unnecessary_notes): Remove.
	* passes.c (pass_remove_unnecessary_notes): Don't run it.

From-SVN: r112229

1 files changed, 1 insertions, 11 deletions

diff --git a/gcc/stmt.c b/gcc/stmt.c
index a3e3db3..be3e876 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -2364,19 +2364,9 @@ expand_case (tree exp)
 	}
 
 
-      /* Make sure start points to something that won't need any
-	 transformation before the end of this function.  */
-      start = get_last_insn ();
-      if (! NOTE_P (start))
-	{
-	  emit_note (NOTE_INSN_DELETED);
-	  start = get_last_insn ();
-	}
-
+      before_case = start = get_last_insn ();
       default_label = label_rtx (default_label_decl);
 
-      before_case = get_last_insn ();
-
       /* Get upper and lower bounds of case values.  */
 
       uniq = 0;