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authorHarald Anlauf <anlauf@gmx.de>2019-03-02 15:29:27 +0000
committerHarald Anlauf <anlauf@gcc.gnu.org>2019-03-02 15:29:27 +0000
commit4716603bf875cee4b4703bd139b6c2c1a3154886 (patch)
treef5129b9f40cf7a44f253213ba73b49cb13f0183b /gcc/fortran
parent574eaf0fda98b795daf6b588e3c0e878987f9769 (diff)
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re PR fortran/89516 (ICE in gfc_calculate_transfer_sizes at gcc/fortran/check.c:5506)
2019-03-02 Harald Anlauf <anlauf@gmx.de> PR fortran/89516 * check.c (gfc_calculate_transfer_sizes): Correct checks for cases where storage size of elements of MOLD is 0. PR fortran/89516 * gfortran.dg/pr89492.f90: Adjust testcase. * gfortran.dg/transfer_check_5.f90: New test. From-SVN: r269341
Diffstat (limited to 'gcc/fortran')
-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/check.c24
2 files changed, 21 insertions, 9 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 6adb90a..1a0ec41 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2019-03-02 Harald Anlauf <anlauf@gmx.de>
+
+ PR fortran/89516
+ * check.c (gfc_calculate_transfer_sizes): Correct checks for cases
+ where storage size of elements of MOLD is 0.
+
2019-02-28 Thomas Schwinge <thomas@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
index c5f6ae3..ee50634 100644
--- a/gcc/fortran/check.c
+++ b/gcc/fortran/check.c
@@ -5487,23 +5487,29 @@ gfc_calculate_transfer_sizes (gfc_expr *source, gfc_expr *mold, gfc_expr *size,
if (!gfc_element_size (mold, &result_elt_size))
return false;
- if (result_elt_size == 0 && *source_size > 0)
+ /* If the storage size of SOURCE is greater than zero and MOLD is an array,
+ * a scalar with the type and type parameters of MOLD shall not have a
+ * storage size equal to zero.
+ * If MOLD is a scalar and SIZE is absent, the result is a scalar.
+ * If MOLD is an array and SIZE is absent, the result is an array and of
+ * rank one. Its size is as small as possible such that its physical
+ * representation is not shorter than that of SOURCE.
+ * If SIZE is present, the result is an array of rank one and size SIZE.
+ */
+ if (result_elt_size == 0 && *source_size > 0 && !size
+ && mold->expr_type == EXPR_ARRAY)
{
- gfc_error ("%<MOLD%> argument of %<TRANSFER%> intrinsic at %L "
- "shall not have storage size 0 when %<SOURCE%> "
+ gfc_error ("%<MOLD%> argument of %<TRANSFER%> intrinsic at %L is an "
+ "array and shall not have storage size 0 when %<SOURCE%> "
"argument has size greater than 0", &mold->where);
return false;
}
- /* If MOLD is a scalar and SIZE is absent, the result is a scalar.
- * If MOLD is an array and SIZE is absent, the result is an array and of
- * rank one. Its size is as small as possible such that its physical
- * representation is not shorter than that of SOURCE.
- */
if (result_elt_size == 0 && *source_size == 0 && !size)
{
*result_size = 0;
- *result_length_p = 0;
+ if (result_length_p)
+ *result_length_p = 0;
return true;
}