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authorThomas Koenig <tkoenig@gcc.gnu.org>2020-01-01 21:40:35 +0000
committerThomas Koenig <tkoenig@gcc.gnu.org>2020-01-01 21:40:35 +0000
commitba4c5da7dba6f93125f4805dcc271c750d711b59 (patch)
tree7ed055d1ea95bd4c334f8443bceb92459a842117 /gcc
parentcb15d1d34c699ce5de039c8782945ba4cf494428 (diff)
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Handle REF_INQUIRY for dependency checking.
2020-01-01 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/93113 * dependency.c (gfc_dep_resolver): Handle REF_INQUIRY in switch for ref types. 2020-01-01 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/93113 * gfortran.dg/dependency_58.f90: New test. From-SVN: r279821
Diffstat (limited to 'gcc')
-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/dependency.c6
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/dependency_58.f9033
4 files changed, 50 insertions, 0 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index e6180d9..ba363f8 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2020-01-01 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/93113
+ * dependency.c (gfc_dep_resolver): Handle REF_INQUIRY in switch
+ for ref types.
+
2020-01-01 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
diff --git a/gcc/fortran/dependency.c b/gcc/fortran/dependency.c
index 3593256..f6c6840 100644
--- a/gcc/fortran/dependency.c
+++ b/gcc/fortran/dependency.c
@@ -2286,6 +2286,12 @@ gfc_dep_resolver (gfc_ref *lref, gfc_ref *rref, gfc_reverse *reverse,
subsequent references also overlap. */
break;
+ case REF_INQUIRY:
+ if (lref->u.i != rref->u.i)
+ return 0;
+
+ break;
+
default:
gcc_unreachable ();
}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ee7003f..12f934d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2020-01-01 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/93113
+ * gfortran.dg/dependency_58.f90: New test.
+
2020-01-01 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
diff --git a/gcc/testsuite/gfortran.dg/dependency_58.f90 b/gcc/testsuite/gfortran.dg/dependency_58.f90
new file mode 100644
index 0000000..8b156e5
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/dependency_58.f90
@@ -0,0 +1,33 @@
+! { dg-do run }
+! { dg-additional-options "-ffrontend-optimize -Warray-temporaries" }
+! PR 93113 - this used to ICE, and should not generate a temporary.
+program main
+ integer, parameter :: n = 10
+ complex, dimension(n,n) :: a, b, c
+ real, dimension(n,n) :: r
+ call random_number (r)
+ c%re = r
+ call random_number (r)
+ c%im = r
+
+ a = c
+ b = c
+ b%re = a%re - 0.5
+ b%im = a%im - 0.5
+ a%re = a%re - 0.5
+ a%im = a%im - 0.5
+ if (any (a /= b)) stop 1
+ b%im = a%re
+ a%im = a%re
+ if (any (a /= b)) stop 2
+ a = c
+ b = c
+ b(2:n,:)%re = a(1:n-1,:)%re
+ a(2:n,:)%re = a(1:n-1,:)%re
+ if (any (a /= b)) stop 3
+ a = c
+ b = c
+ b(1:n-1,:)%im = a(2:,:)%im
+ a(1:n-1,:)%im = a(2:,:)%im
+ if (any (a /= b)) stop 3
+end program main