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-rw-r--r--Parser/pegen_errors.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/Parser/pegen_errors.c b/Parser/pegen_errors.c
index bffae85..f348ac3 100644
--- a/Parser/pegen_errors.c
+++ b/Parser/pegen_errors.c
@@ -254,6 +254,9 @@ get_error_line_from_tokenizer_buffers(Parser *p, Py_ssize_t lineno)
for (int i = 0; i < relative_lineno - 1; i++) {
char *new_line = strchr(cur_line, '\n') + 1;
+ // The assert is here for debug builds but the conditional that
+ // follows is there so in release builds we do not crash at the cost
+ // to report a potentially wrong line.
assert(new_line != NULL && new_line < p->tok->inp);
if (new_line == NULL || new_line >= p->tok->inp) {
break;