From: Thomas Koenig <tkoenig@gcc.gnu.org>
Date: Mon, 30 Dec 2019 15:27:08 +0000 (+0000)
Subject: backport: re PR fortran/92961 (ICE in gfc_zero_size_array, at fortran/arith.c:1680)
X-Git-Tag: releases/gcc-9.3.0~264
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=819855f2df3e0d7b2d59086bb336d090e954126c;p=thirdparty%2Fgcc.git

backport: re PR fortran/92961 (ICE in gfc_zero_size_array, at fortran/arith.c:1680)

2019-12-30  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
    PR fortran/92961
    * fortran/ChangeLog: Added entry.
    * testsuite/ChangeLog: Added entry.

From-SVN: r279769
---

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 834f172c2e95..aaf5ded669b0 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,14 @@
+2019-12-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	Backport from trunk
+	PR fortran/92961
+	* gfortran.h (gfc_seen_div0): Add declaration.
+	* arith.h (gfc_seen_div0): Add definition.
+	(eval_intrinsic): For integer division by zero, set gfc_seen_div0.
+	* decl.c (variable_decl):  If resolution resp. simplification
+	fails for array spec and a division of zero error has been
+	seen, return MATCH_ERROR.
+
 2019-12-21  Paul Thomas  <pault@gcc.gnu.org>
 
 	Backported from mainline
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d2177c79e4d9..122c4ef4d031 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2019-12-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	Backport from trunk
+	PR fortran/92961
+	* gfortran.dg/arith_divide_2.f90: New test.
+
 2019-12-21  Paul Thomas  <pault@gcc.gnu.org>
 
 	Backported from mainline