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[src/trunk]: src/usr.bin/xlint/lint1 lint: replace crash with assertion failure
details: https://anonhg.NetBSD.org/src/rev/858e8eb7d88e
branches: trunk
changeset: 364619:858e8eb7d88e
user: rillig <rillig%NetBSD.org@localhost>
date: Fri Apr 01 01:06:26 2022 +0000
description:
lint: replace crash with assertion failure
Triggered by 'sizeof(int())'.
GCC evaluates this expression to 1, without any warning.
Clang warns about an "invalid application of 'sizeof' to a function
type".
diffstat:
usr.bin/xlint/lint1/tree.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diffs (26 lines):
diff -r 0807e700a304 -r 858e8eb7d88e usr.bin/xlint/lint1/tree.c
--- a/usr.bin/xlint/lint1/tree.c Fri Apr 01 01:00:39 2022 +0000
+++ b/usr.bin/xlint/lint1/tree.c Fri Apr 01 01:06:26 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: tree.c,v 1.411 2022/03/13 15:26:54 rillig Exp $ */
+/* $NetBSD: tree.c,v 1.412 2022/04/01 01:06:26 rillig Exp $ */
/*
* Copyright (c) 1994, 1995 Jochen Pohl
@@ -37,7 +37,7 @@
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: tree.c,v 1.411 2022/03/13 15:26:54 rillig Exp $");
+__RCSID("$NetBSD: tree.c,v 1.412 2022/04/01 01:06:26 rillig Exp $");
#endif
#include <float.h>
@@ -3473,6 +3473,7 @@
elem = 1;
flex = false;
+ lint_assert(tp != NULL);
while (tp->t_tspec == ARRAY) {
flex = true; /* allow c99 flex arrays [] [0] */
elem *= tp->t_dim;
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