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authorJanne Blomqvist <jb@gcc.gnu.org>2019-05-15 21:02:36 +0300
committerJanne Blomqvist <jb@gcc.gnu.org>2019-05-15 21:02:36 +0300
commit0c15ebf1bd0d7ec8111acfecf71542acac4115b1 (patch)
treed8d96f02445161f81d85ccf4298ddc0a5f9fa39e
parent40c81f845c6f1c5e6df74442ca59279090ac1e8d (diff)
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Allow opening file on multiple units
As of Fortran 2018 it's allowed to open the same file on multiple units. libgfortran/ChangeLog: 2019-05-15 Janne Blomqvist <jb@gcc.gnu.org> PR fortran/90461 * io/open.c (new_unit): Don't check if the file is already open for F2018. testsuite/ChangeLog: 2019-05-15 Janne Blomqvist <jb@gcc.gnu.org> PR fortran/90461 * gfortran.dg/open_errors_2.f90: Add -std=f2008, adjust line number. * gfortran.dg/open_errors_3.f90: New test. From-SVN: r271260
-rw-r--r--gcc/testsuite/ChangeLog6
-rw-r--r--gcc/testsuite/gfortran.dg/open_errors_2.f903
-rw-r--r--gcc/testsuite/gfortran.dg/open_errors_3.f9011
-rw-r--r--libgfortran/ChangeLog6
-rw-r--r--libgfortran/io/open.c3
5 files changed, 27 insertions, 2 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a85e383..ffba7ba 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2019-05-15 Janne Blomqvist <jb@gcc.gnu.org>
+
+ PR fortran/90461
+ * gfortran.dg/open_errors_2.f90: Add -std=f2008, adjust line number.
+ * gfortran.dg/open_errors_3.f90: New test.
+
2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
PR target/89021
diff --git a/gcc/testsuite/gfortran.dg/open_errors_2.f90 b/gcc/testsuite/gfortran.dg/open_errors_2.f90
index 5b41834..72d63bb 100644
--- a/gcc/testsuite/gfortran.dg/open_errors_2.f90
+++ b/gcc/testsuite/gfortran.dg/open_errors_2.f90
@@ -1,6 +1,7 @@
! { dg-do run }
+! { dg-options "-std=f2008" }
! { dg-shouldfail "runtime error" }
-! { dg-output "At line 13.*File already opened" }
+! { dg-output "At line 14.*File already opened" }
! PR 65563 - this used to segfault for some versions.
variable_1 = 0
diff --git a/gcc/testsuite/gfortran.dg/open_errors_3.f90 b/gcc/testsuite/gfortran.dg/open_errors_3.f90
new file mode 100644
index 0000000..da94956
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/open_errors_3.f90
@@ -0,0 +1,11 @@
+! { dg-do run }
+! PR 90461 Open file on multiple units as of F2018
+program openmult
+ implicit none
+ character(len=*), parameter :: fname="pr90461.dat"
+ open(10, file=fname, form="unformatted")
+ open(11, file=fname, form="unformatted")
+ close(11)
+ close(10, status="delete")
+end program openmult
+! { dg-final { remote_file build delete "pr90461.dat" } }
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 72b70a0..4b5194f 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,9 @@
+2019-05-15 Janne Blomqvist <jb@gcc.gnu.org>
+
+ PR fortran/90461
+ * io/open.c (new_unit): Don't check if the file is already open
+ for F2018.
+
2019-05-02 Jakub Jelinek <jakub@redhat.com>
* Makefile.am (gfor_cdir): Remove $(MULTISUBDIR).
diff --git a/libgfortran/io/open.c b/libgfortran/io/open.c
index b48afab..d3bb11f 100644
--- a/libgfortran/io/open.c
+++ b/libgfortran/io/open.c
@@ -515,7 +515,8 @@ new_unit (st_parameter_open *opp, gfc_unit *u, unit_flags *flags)
Do not error if opening file preconnected to stdin, stdout, stderr. */
u2 = NULL;
- if ((opp->common.flags & IOPARM_OPEN_HAS_FILE) != 0)
+ if ((opp->common.flags & IOPARM_OPEN_HAS_FILE) != 0
+ && !(compile_options.allow_std & GFC_STD_F2018))
u2 = find_file (opp->file, opp->file_len);
if (u2 != NULL
&& (options.stdin_unit < 0 || u2->unit_number != options.stdin_unit)