diff options
Diffstat (limited to 'libgfortran/m4')
| -rw-r--r-- | libgfortran/m4/pack.m4 | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/libgfortran/m4/pack.m4 b/libgfortran/m4/pack.m4 index 87409a5..4f31ffd 100644 --- a/libgfortran/m4/pack.m4 +++ b/libgfortran/m4/pack.m4 @@ -104,7 +104,6 @@ pack_'rtype_code` ('rtype` *ret, const 'rtype` *array, dim = GFC_DESCRIPTOR_RANK (array); - sptr = array->data; mptr = mask->data; /* Use the same loop for all logical types, by using GFC_LOGICAL_1 @@ -140,6 +139,11 @@ pack_'rtype_code` ('rtype` *ret, const 'rtype` *array, if (mstride[0] == 0) mstride[0] = mask_kind; + if (zero_sized) + sptr = NULL; + else + sptr = array->data; + if (ret->data == NULL || compile_options.bounds_check) { /* Count the elements, either for allocating memory or @@ -150,6 +154,11 @@ pack_'rtype_code` ('rtype` *ret, const 'rtype` *array, /* The return array will have as many elements as there are in VECTOR. */ total = vector->dim[0].ubound + 1 - vector->dim[0].lbound; + if (total < 0) + { + total = 0; + vector = NULL; + } } else { @@ -309,4 +318,4 @@ pack_'rtype_code` ('rtype` *ret, const 'rtype` *array, } #endif -'
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