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-rw-r--r--src/codegen.c1
-rw-r--r--src/parse.y3
2 files changed, 2 insertions, 2 deletions
diff --git a/src/codegen.c b/src/codegen.c
index 16e1235de..27369361f 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -2108,6 +2108,7 @@ codegen(codegen_scope *s, node *tree, int val)
if (val) {
node *n = tree;
+ if (!n) break;
codegen(s, n->car, VAL);
n = n->cdr;
while (n) {
diff --git a/src/parse.y b/src/parse.y
index 7e313132b..55ad602ba 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -4116,10 +4116,9 @@ parser_yylex(parser_state *p)
retry:
last_state = p->lstate;
switch (c = nextc(p)) {
- case '\0': /* NUL */
case '\004': /* ^D */
case '\032': /* ^Z */
- return 0;
+ case '\0': /* NUL */
case -1: /* end of script. */
if (p->heredocs_from_nextline)
goto maybe_heredoc;