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Do not warn unused block when using forwarding

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Fixes [Bug #21003]
This commit is contained in:
Kevin Newton 2025-01-05 13:29:55 -05:00
parent c037f5a28c
commit 2a1cff40f5
Notes: git 2025-01-06 00:56:42 +00:00 
Merged: https://github.com/ruby/ruby/pull/12512
2 changed files with 10 additions and 0 deletions
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2
prism_compile.c
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@ -1756,6 +1756,8 @@ pm_setup_args_core(const pm_arguments_node_t *arguments_node, const pm_node_t *b
break; break;
} }
case PM_FORWARDING_ARGUMENTS_NODE: { // not counted in argc return value case PM_FORWARDING_ARGUMENTS_NODE: { // not counted in argc return value
iseq_set_use_block(ISEQ_BODY(iseq)->local_iseq);
if (ISEQ_BODY(ISEQ_BODY(iseq)->local_iseq)->param.flags.forwardable) { if (ISEQ_BODY(ISEQ_BODY(iseq)->local_iseq)->param.flags.forwardable) {
*flags |= VM_CALL_FORWARDING; *flags |= VM_CALL_FORWARDING;

8
test/ruby/test_method.rb
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@ -1776,5 +1776,13 @@ class TestMethod < Test::Unit::TestCase
RUBY RUBY
assert_equal 0, err.size, err.join("\n") assert_equal 0, err.size, err.join("\n")
end end
assert_in_out_err '-w', <<-'RUBY' do |_out, err, _status|
def foo(*, &block) = block
def bar(buz, ...) = foo(buz, ...)
bar(:test) {} # do not warn because of forwarding
RUBY
assert_equal 0, err.size, err.join("\n")
end
end end
end end