backend: fix memory leak from not calling deluses() after replcuses in some places

1 files changed, 1 insertions, 0 deletions

diff --git a/src/ir_stack.c b/src/ir_stack.c
index a9acc61..e77e114 100644
--- a/src/ir_stack.c
+++ b/src/ir_stack.c
@@ -20,6 +20,7 @@ lowerstack(Function *fn)
             if (fn->stksiz > (1<<20)-1) error(NULL, "'%s' stack frame too big", fn->name);
             *ins = mkinstr0(Onop,0);
             replcuses(mkref(RTMP, t), mkref(RSTACK, fn->stksiz-siz));
+            deluses(t);
          }
       }
    } while ((blk = blk->lnext) != fn->entry);