diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fff2d81c700..17ebd6d42fe 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2009-04-06  Jan Hubicka  <jh@suse.cz>
+
+	PR middle-end/39659
+	* except.c (remove_unreachable_regions): Propagate may_contain_throw
+	flag.
+
 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
 
 	* config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
diff --git a/gcc/except.c b/gcc/except.c
index e0e90d2a1fd..e92b8270e65 100644
--- a/gcc/except.c
+++ b/gcc/except.c
@@ -853,6 +853,7 @@ remove_unreachable_regions (sbitmap reachable, sbitmap contains_stmt)
 		     r->region_number,
 		     first_must_not_throw->region_number);
 	  remove_eh_handler_and_replace (r, first_must_not_throw);
+	  first_must_not_throw->may_contain_throw |= r->may_contain_throw;
 	}
       else
 	bring_to_root (r);