c: fix crash with dead code in condexpr

1 files changed, 2 insertions, 1 deletions

diff --git a/src/c.c b/src/c.c
index c6adb4c..a423697 100644
--- a/src/c.c
+++ b/src/c.c
@@ -3406,7 +3406,8 @@ Recur:
          else assert(ex->ty.bits == phi->typ.bits);
          vpush(&phi->refs, val);
       }
-      putbranch(fn, end);
+      if (fn->curblk)
+         putbranch(fn, end);
    }
 }