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authorTobias Burnus <burnus@net-b.de>2013-07-08 21:05:16 +0200
committerTobias Burnus <burnus@gcc.gnu.org>2013-07-08 21:05:16 +0200
commit5e7ea2143a3cbc557e07a31f84a51a0bcc0e98cd (patch)
treeb54c2698e63d3180109abdd587d637a11196af00 /gcc/fortran/check.c
parent4a283fdfbf9eb2bee7ccba7cbe75ac5e11ba0ce2 (diff)
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re PR fortran/57834 (C_F_POINTER (only with -std=): accepts only explicit- and assumed-size arrays for FPTR when SHAPE is present)
2013-07-08 Tobias Burnus <burnus@net-b.de> PR fortran/57834 * check.c (is_c_interoperable): Add special case for * c_f_pointer. (explicit-size, gfc_check_c_f_pointer, gfc_check_c_loc): Update call. 2013-07-08 Tobias Burnus <burnus@net-b.de> PR fortran/57834 * gfortran.dg/c_f_pointer_tests_8.f90: New. From-SVN: r200794
Diffstat (limited to 'gcc/fortran/check.c')
-rw-r--r--gcc/fortran/check.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
index e531deb..4024cd4 100644
--- a/gcc/fortran/check.c
+++ b/gcc/fortran/check.c
@@ -3650,10 +3650,11 @@ gfc_check_sizeof (gfc_expr *arg)
otherwise, it is set to NULL. The msg string can be used in diagnostics.
If c_loc is true, character with len > 1 are allowed (cf. Fortran
2003corr5); additionally, assumed-shape/assumed-rank/deferred-shape
- arrays are permitted. */
+ arrays are permitted. And if c_f_ptr is true, deferred-shape arrays
+ are permitted. */
static bool
-is_c_interoperable (gfc_expr *expr, const char **msg, bool c_loc)
+is_c_interoperable (gfc_expr *expr, const char **msg, bool c_loc, bool c_f_ptr)
{
*msg = NULL;
@@ -3734,7 +3735,8 @@ is_c_interoperable (gfc_expr *expr, const char **msg, bool c_loc)
*msg = "Only whole-arrays are interoperable";
return false;
}
- if (ar->as->type != AS_EXPLICIT && ar->as->type != AS_ASSUMED_SIZE)
+ if (!c_f_ptr && ar->as->type != AS_EXPLICIT
+ && ar->as->type != AS_ASSUMED_SIZE)
{
*msg = "Only explicit-size and assumed-size arrays are interoperable";
return false;
@@ -3750,7 +3752,7 @@ gfc_check_c_sizeof (gfc_expr *arg)
{
const char *msg;
- if (!is_c_interoperable (arg, &msg, false))
+ if (!is_c_interoperable (arg, &msg, false, false))
{
gfc_error ("'%s' argument of '%s' intrinsic at %L must be an "
"interoperable data entity: %s",
@@ -3900,7 +3902,7 @@ gfc_check_c_f_pointer (gfc_expr *cptr, gfc_expr *fptr, gfc_expr *shape)
return false;
}
- if (!is_c_interoperable (fptr, &msg, false) && fptr->rank)
+ if (!is_c_interoperable (fptr, &msg, false, true))
return gfc_notify_std (GFC_STD_F2008_TS, "Noninteroperable array FPTR "
"at %L to C_F_POINTER: %s", &fptr->where, msg);
@@ -4029,7 +4031,7 @@ gfc_check_c_loc (gfc_expr *x)
return false;
}
- if (!is_c_interoperable (x, &msg, true))
+ if (!is_c_interoperable (x, &msg, true, false))
{
if (x->ts.type == BT_CLASS)
{