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06d9ff6a71
Generate better code for 'as?' with mutable collection types: use CHECKCAST, do not introduce special intrinsics for safe-as.
17 lines
533 B
Kotlin
Vendored
17 lines
533 B
Kotlin
Vendored
// For mutable collections and related types (e.g., MutableList, MutableListIterator)
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// 'as?' should be generated as a single 'safeAs...' intrinsic call
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// without instanceof or 'is...'.
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inline fun <reified T> safeAs(x: Any) {
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x as? T
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}
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fun test() {
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val x: Any = arrayListOf("abc", "def")
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safeAs<MutableList<*>>(x)
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}
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// 0 INSTANCEOF java/util/List
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// 1 INVOKESTATIC kotlin/jvm/internal/TypeIntrinsics\.isMutableList
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// 0 INVOKESTATIC kotlin/jvm/internal/TypeIntrinsics\.safeAsMutableList
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// 1 CHECKCAST java/util/List |