From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2071) id C1FA43851C09; Sun, 28 Jun 2020 14:24:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C1FA43851C09 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1593354274; bh=3xvwMJ3igj4ivMvoA8D1UWWoNHlSQD+5fygnjU9/fHg=; h=From:To:Subject:Date:From; b=KQGCTxwUJ3kDtU1aWRDY7EhAcvgbsppI4fDsDyUQTu1+xTAygJ1KaGIHajppVix9I rLEo1//rqTCafAuy8i5O4cEt337hl+gfupH+E4xJBYo8yBVoqbyAhDyGqGCOASrRqJ PDMeXASF7YCmzeTqJHKOjj2tSzd88dQKlxRTfSAQ= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Harald Anlauf To: gcc-cvs@gcc.gnu.org Subject: [gcc r11-1695] PR fortran/95340 - ICE in gfc_match_select_rank, at fortran/match.c:6690 X-Act-Checkin: gcc X-Git-Author: Harald Anlauf X-Git-Refname: refs/heads/master X-Git-Oldrev: 06ed4aae1c2fa84b7050a286d866db4a6def3c36 X-Git-Newrev: b62cac6d92ff251213753475b69ec0b269cb7fae Message-Id: <20200628142434.C1FA43851C09@sourceware.org> Date: Sun, 28 Jun 2020 14:24:34 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Jun 2020 14:24:34 -0000 https://gcc.gnu.org/g:b62cac6d92ff251213753475b69ec0b269cb7fae commit r11-1695-gb62cac6d92ff251213753475b69ec0b269cb7fae Author: Harald Anlauf Date: Sun Jun 28 16:24:15 2020 +0200 PR fortran/95340 - ICE in gfc_match_select_rank, at fortran/match.c:6690 Do not dereference NULL pointer when querying array shape of possibly improperly delared variable. gcc/fortran/ PR fortran/95340 * match.c (gfc_match_select_rank): Do not dereference NULL pointer. Diff: --- gcc/fortran/match.c | 3 ++- gcc/testsuite/gfortran.dg/pr95340.f90 | 10 ++++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/gcc/fortran/match.c b/gcc/fortran/match.c index b011634792e..db5174f3f21 100644 --- a/gcc/fortran/match.c +++ b/gcc/fortran/match.c @@ -6695,7 +6695,8 @@ gfc_match_select_rank (void) if (expr1->symtree) { sym = expr1->symtree->n.sym; - as = sym->ts.type == BT_CLASS ? CLASS_DATA (sym)->as : sym->as; + as = (sym->ts.type == BT_CLASS + && CLASS_DATA (sym)) ? CLASS_DATA (sym)->as : sym->as; } if (expr1->expr_type != EXPR_VARIABLE diff --git a/gcc/testsuite/gfortran.dg/pr95340.f90 b/gcc/testsuite/gfortran.dg/pr95340.f90 new file mode 100644 index 00000000000..edcdc935057 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr95340.f90 @@ -0,0 +1,10 @@ +! { dg-do compile } +! PR fortran/95340 - ICE in gfc_match_select_rank, at fortran/match.c:6690 + +program p + type t + end type t + class(t) :: z ! { dg-error "must be dummy, allocatable or pointer" } + select rank (z) ! { dg-error "must be an assumed rank variable" } + end select ! { dg-error "Expecting END PROGRAM" } +end