opt_inline: fix uninitialized memory usage

diff --git a/ir/opt/opt_inline.c b/ir/opt/opt_inline.c
index 309e694..d400a72 100644 (file)
--- a/ir/opt/opt_inline.c
+++ b/ir/opt/opt_inline.c
@@ -1639,6 +1639,7 @@ static void inline_into(ir_graph *irg, unsigned maxsize,
                        set_irg_link(copy, callee_env);
 
                        assure_cf_loop(copy);
                        set_irg_link(copy, callee_env);
 
                        assure_cf_loop(copy);

+                       memset(&wenv, 0, sizeof(wenv));

                        wenv.x              = callee_env;
                        wenv.ignore_callers = 1;
                        irg_walk_graph(copy, NULL, collect_calls2, &wenv);
                        wenv.x              = callee_env;
                        wenv.ignore_callers = 1;
                        irg_walk_graph(copy, NULL, collect_calls2, &wenv);