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autofree: fix `return x[0]` (optional)

pull/9619/head
Alexander Medvednikov 2021-04-06 18:38:12 +03:00
parent db84d5e221
commit f4566bb324
1 changed files with 3 additions and 1 deletions
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4
vlib/v/gen/c/index.v
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@ -174,7 +174,9 @@ fn (mut g Gen) index_of_array(node ast.IndexExpr, sym ast.TypeSymbol) {
.function { 'voidptr*' } .function { 'voidptr*' }
else { '$elem_type_str*' } else { '$elem_type_str*' }
} }
needs_clone := info.elem_type == ast.string_type_idx && g.is_autofree && !g.is_assign_lhs // do not clone inside `opt_ok(opt_ok(&(string[]) {..})` before returns
needs_clone := info.elem_type == ast.string_type_idx && g.is_autofree && !(g.inside_return
&& g.fn_decl.return_type.has_flag(.optional)) && !g.is_assign_lhs
is_gen_or_and_assign_rhs := gen_or && !g.discard_or_result is_gen_or_and_assign_rhs := gen_or && !g.discard_or_result
cur_line := if is_gen_or_and_assign_rhs { cur_line := if is_gen_or_and_assign_rhs {
line := g.go_before_stmt(0) line := g.go_before_stmt(0)