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authorHarald Anlauf <anlauf@gmx.de>2020-05-28 22:28:08 +0200
committerHarald Anlauf <anlauf@gmx.de>2020-05-28 22:32:59 +0200
commit5c715e6a2990cfb6c15acc1ee14219523534ec69 (patch)
treec9a5e2a6e742f4dab84fc91fab4600fc2c7ae539 /gcc
parent6ce3d791dfcba469e709935aba5743640f7d4959 (diff)
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PR fortran/95373 - ICE in build_reference_type, at tree.c:7942
The use of KIND, LEN, RE, and IM inquiry references for applicable intrinsic types is valid only for suffienctly new Fortran standards. Add appropriate check. 2020-05-28 Harald Anlauf <anlauf@gmx.de> gcc/fortran/ PR fortran/95373 * primary.c (is_inquiry_ref): Check validity of inquiry references against selected Fortran standard. gcc/testsuite/ PR fortran/95373 * gfortran.dg/pr95373_1.f90: New test. * gfortran.dg/pr95373_2.f90: New test.
Diffstat (limited to 'gcc')
-rw-r--r--gcc/fortran/primary.c22
-rw-r--r--gcc/testsuite/gfortran.dg/pr95373_1.f9015
-rw-r--r--gcc/testsuite/gfortran.dg/pr95373_2.f9015
3 files changed, 52 insertions, 0 deletions
diff --git a/gcc/fortran/primary.c b/gcc/fortran/primary.c
index d738984..67105cc 100644
--- a/gcc/fortran/primary.c
+++ b/gcc/fortran/primary.c
@@ -1998,6 +1998,28 @@ is_inquiry_ref (const char *name, gfc_ref **ref)
else
return false;
+ switch (type)
+ {
+ case INQUIRY_RE:
+ case INQUIRY_IM:
+ if (!gfc_notify_std (GFC_STD_F2008, "RE or IM part_ref at %C"))
+ return false;
+ break;
+
+ case INQUIRY_KIND:
+ if (!gfc_notify_std (GFC_STD_F2003, "KIND part_ref at %C"))
+ return false;
+ break;
+
+ case INQUIRY_LEN:
+ if (!gfc_notify_std (GFC_STD_F2003, "LEN part_ref at %C"))
+ return false;
+ break;
+
+ default:
+ gcc_unreachable ();
+ }
+
if (ref)
{
*ref = gfc_get_ref ();
diff --git a/gcc/testsuite/gfortran.dg/pr95373_1.f90 b/gcc/testsuite/gfortran.dg/pr95373_1.f90
new file mode 100644
index 0000000..f39b6a7
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr95373_1.f90
@@ -0,0 +1,15 @@
+! { dg-do compile }
+! { dg-options "-std=f95" }
+! PR fortran/95373 - ICE in build_reference_type, at tree.c:7942
+
+subroutine s (x)
+ complex, parameter :: z = 3
+ real(z% kind) :: x ! { dg-error "nonderived-type variable" }
+ type t
+ real :: kind
+ logical :: re
+ end type t
+ type(t) :: b
+ print *, b% kind, b% re
+ print *, z% re ! { dg-error "nonderived-type variable" }
+end
diff --git a/gcc/testsuite/gfortran.dg/pr95373_2.f90 b/gcc/testsuite/gfortran.dg/pr95373_2.f90
new file mode 100644
index 0000000..2a654b4
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr95373_2.f90
@@ -0,0 +1,15 @@
+! { dg-do compile }
+! { dg-options "-std=f2003" }
+! PR fortran/95373 - ICE in build_reference_type, at tree.c:7942
+
+subroutine s (x)
+ complex, parameter :: z = 3
+ real(z% kind) :: x
+ type t
+ real :: kind
+ logical :: re
+ end type t
+ type(t) :: b
+ print *, b% kind, b% re
+ print *, z% re ! { dg-error "nonderived-type variable" }
+end