diff options
Diffstat (limited to 'gcc/fortran/decl.c')
| -rw-r--r-- | gcc/fortran/decl.c | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/gcc/fortran/decl.c b/gcc/fortran/decl.c index 7178aaf..0c3377f 100644 --- a/gcc/fortran/decl.c +++ b/gcc/fortran/decl.c @@ -1529,26 +1529,34 @@ add_init_expr_to_sym (const char *name, gfc_expr **initp, locus *var_locus) for (dim = 0; dim < sym->as->rank; ++dim) { int k; - gfc_expr* lower; - gfc_expr* e; + gfc_expr *e, *lower; lower = sym->as->lower[dim]; - if (lower->expr_type != EXPR_CONSTANT) + + /* If the lower bound is an array element from another + parameterized array, then it is marked with EXPR_VARIABLE and + is an initialization expression. Try to reduce it. */ + if (lower->expr_type == EXPR_VARIABLE) + gfc_reduce_init_expr (lower); + + if (lower->expr_type == EXPR_CONSTANT) + { + /* All dimensions must be without upper bound. */ + gcc_assert (!sym->as->upper[dim]); + + k = lower->ts.kind; + e = gfc_get_constant_expr (BT_INTEGER, k, &sym->declared_at); + mpz_add (e->value.integer, lower->value.integer, + init->shape[dim]); + mpz_sub_ui (e->value.integer, e->value.integer, 1); + sym->as->upper[dim] = e; + } + else { gfc_error ("Non-constant lower bound in implied-shape" " declaration at %L", &lower->where); return false; } - - /* All dimensions must be without upper bound. */ - gcc_assert (!sym->as->upper[dim]); - - k = lower->ts.kind; - e = gfc_get_constant_expr (BT_INTEGER, k, &sym->declared_at); - mpz_add (e->value.integer, - lower->value.integer, init->shape[dim]); - mpz_sub_ui (e->value.integer, e->value.integer, 1); - sym->as->upper[dim] = e; } sym->as->type = AS_EXPLICIT; |