kotlinx-coroutines-core/common/src/selects/SelectOld.kt [36:55]:
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        if (cont.isCompleted) return cont.getResult()
        CoroutineScope(context).launch(start = CoroutineStart.UNDISPATCHED) {
            val result = try {
                doSelect()
            } catch (e: Throwable) {
                cont.resumeUndispatchedWithException(e)
                return@launch
            }
            cont.resumeUndispatched(result)
        }
        return cont.getResult()
    }

    @PublishedApi
    internal fun handleBuilderException(e: Throwable) {
        cont.resumeWithException(e) // will be thrown later via `cont.getResult()`
    }
}

@PublishedApi
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kotlinx-coroutines-core/common/src/selects/SelectOld.kt [64:99]:
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        if (cont.isCompleted) return cont.getResult()
        CoroutineScope(context).launch(start = CoroutineStart.UNDISPATCHED) {
            val result = try {
                doSelect()
            } catch (e: Throwable) {
                cont.resumeUndispatchedWithException(e)
                return@launch
            }
            cont.resumeUndispatched(result)
        }
        return cont.getResult()
    }

    @PublishedApi
    internal fun handleBuilderException(e: Throwable) {
        cont.resumeWithException(e)
    }
}

/*
 * This is the old version of `select`. It should work to guarantee binary compatibility.
 *
 * Internal note:
 * We do test it manually by changing the implementation of **new** select with the following:
 * ```
 * public suspend inline fun <R> select(crossinline builder: SelectBuilder<R>.() -> Unit): R {
 *     contract {
 *         callsInPlace(builder, InvocationKind.EXACTLY_ONCE)
 *     }
 *     return selectOld(builder)
 * }
 * ```
 *
 * These signatures are not used by the already compiled code, but their body is.
 */
@PublishedApi
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