diff options
Diffstat (limited to 'gcc/fortran/array.c')
| -rw-r--r-- | gcc/fortran/array.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/fortran/array.c b/gcc/fortran/array.c index 76dee50..895bccc 100644 --- a/gcc/fortran/array.c +++ b/gcc/fortran/array.c @@ -319,6 +319,15 @@ match_array_element_spec (gfc_array_spec *as) if (m == MATCH_NO) return AS_ASSUMED_SHAPE; + /* If the size is negative in this dimension, set it to zero. */ + if ((*lower)->expr_type == EXPR_CONSTANT + && (*upper)->expr_type == EXPR_CONSTANT + && mpz_cmp ((*upper)->value.integer, (*lower)->value.integer) < 0) + { + gfc_free_expr (*upper); + *upper = gfc_copy_expr (*lower); + mpz_sub_ui ((*upper)->value.integer, (*upper)->value.integer, 1); + } return AS_EXPLICIT; } |