stmt.c (expand_decl_cleanup): Emit a dummy insn after last_unconditional_cleanup.

	* stmt.c (expand_decl_cleanup): Emit a dummy insn after
	last_unconditional_cleanup.

From-SVN: r34681

1 files changed, 7 insertions, 0 deletions

diff --git a/gcc/stmt.c b/gcc/stmt.c
index f97faaa..3f102cf 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -4064,6 +4064,13 @@ expand_decl_cleanup (decl, cleanup)
 	{
 	  thisblock->data.block.last_unconditional_cleanup
 	    = get_last_insn ();
+	  /* When we insert instructions after the last unconditional cleanup,
+	     we don't adjust last_insn.  That means that a later add_insn will
+	     clobber the instructions we've just added.  The easiest way to
+	     fix this is to just insert another instruction here, so that the
+	     instructions inserted after the last unconditional cleanup are
+	     never the last instruction.  */
+	  emit_note (NULL_PTR, NOTE_INSN_DELETED);
 	  thisblock->data.block.cleanup_ptr = &thisblock->data.block.cleanups;
 	}
     }