From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2209) id 09A213858D20; Mon, 19 Feb 2024 23:10:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 09A213858D20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1708384201; bh=6lEkQ4phpE28kXchHzzI6h9txgJTHNci6xxdMIVlVZY=; h=From:To:Subject:Date:From; b=GUDVCbRWbUFsISWuPWpDpe4WAXjMw4mb98te+OTuNn34+AAvoaNG+6rzxSN4DNyHW eldD11Gd5ri4Dd5l9qewvM7sXvkdwP7vJz+wt1kvzTp/4iektfKNpoSppzuvT46GUk Ta0gZjSAP7MbufjAj5eRd1rEO8MZBLzTFIpy03J4= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: David Malcolm To: gcc-cvs@gcc.gnu.org Subject: [gcc r14-9075] analyzer, testsuite: add regression test [PR110520] X-Act-Checkin: gcc X-Git-Author: David Malcolm X-Git-Refname: refs/heads/master X-Git-Oldrev: d70facd54a576faca1bfba96e92e1475e0da22a3 X-Git-Newrev: eb37ea529745c38dcf86c3cdbedb66df69ea9e35 Message-Id: <20240219231001.09A213858D20@sourceware.org> Date: Mon, 19 Feb 2024 23:10:00 +0000 (GMT) List-Id: https://gcc.gnu.org/g:eb37ea529745c38dcf86c3cdbedb66df69ea9e35 commit r14-9075-geb37ea529745c38dcf86c3cdbedb66df69ea9e35 Author: David Malcolm Date: Mon Feb 19 18:07:59 2024 -0500 analyzer, testsuite: add regression test [PR110520] gcc/testsuite/ChangeLog: PR analyzer/110520 * c-c++-common/analyzer/null-deref-pr110520.c: New test. Signed-off-by: David Malcolm Diff: --- gcc/testsuite/c-c++-common/analyzer/null-deref-pr110520.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/gcc/testsuite/c-c++-common/analyzer/null-deref-pr110520.c b/gcc/testsuite/c-c++-common/analyzer/null-deref-pr110520.c new file mode 100644 index 000000000000..b57027689eed --- /dev/null +++ b/gcc/testsuite/c-c++-common/analyzer/null-deref-pr110520.c @@ -0,0 +1,8 @@ +#include "analyzer-decls.h" + +int main(void) { + char buf[] = "0"; + int *ptr = (int *)(__builtin_strlen(buf) - 1); + __analyzer_eval((__builtin_strlen(buf)) == 1); /* { dg-warning "TRUE" } */ + *ptr = 10086; /* { dg-warning "dereference of NULL 'ptr'" } */ +}