From 480611c452e8b4dc18654545e2de4d6dde2d7b4d Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Tue, 19 May 2020 22:04:05 -0700
Subject: fix: macro expansion works! also fixed issue with iopop

---
 sys/cmd/cc/lex.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'sys/cmd/cc/lex.c')

diff --git a/sys/cmd/cc/lex.c b/sys/cmd/cc/lex.c
index 2a637da..6c57b3c 100644
--- a/sys/cmd/cc/lex.c
+++ b/sys/cmd/cc/lex.c
@@ -40,6 +40,7 @@ getnsbyte(Lexer *lx)
         if (b == EOF) {
             if (lx->io->link) {
                 popio(lx);
+                assert(lx->io);
                 b = getbyte(lx);
                 continue;
             } else
@@ -687,6 +688,9 @@ popio(Lexer *lx)
 {
     Io *prev;
 
+    assert(lx->io == C.io-1);
+    --C.io;
+
     prev = lx->io->link;
     freeio(lx->io);
 
-- 
cgit v1.2.1