wa-lang.org/wazero@v1.0.2/internal/integration_test/spectest/v1/testdata/break-drop.wast (about)

     1  (module
     2    (func (export "br") (block (br 0)))
     3    (func (export "br_if") (block (br_if 0 (i32.const 1))))
     4    (func (export "br_table") (block (br_table 0 (i32.const 0))))
     5  )
     6  
     7  (assert_return (invoke "br"))
     8  (assert_return (invoke "br_if"))
     9  (assert_return (invoke "br_table"))