[PATCH] Fix memory leak in loop header copying

[Richard Biener via Gcc-patches]

Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.

        * tree-ssa-loop-ch.cc (ch_base::copy_headers): Free loop BBs.
---
 gcc/tree-ssa-loop-ch.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/tree-ssa-loop-ch.cc b/gcc/tree-ssa-loop-ch.cc
index 7fdef3bb11a..22252bee135 100644
--- a/gcc/tree-ssa-loop-ch.cc
+++ b/gcc/tree-ssa-loop-ch.cc
@@ -642,6 +642,7 @@ ch_base::copy_headers (function *fun)
               if (stmt_can_terminate_bb_p (gsi_stmt (bsi)))
                 precise = false;
           }
+         free (bbs);
        }
       if (precise
          && get_max_loop_iterations_int (loop) == 1)
-- 
2.35.3