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ef5e02da84
* In blocks, discard the result of any statement that has a return type other than void. This was previously done by wrapping each statement into an "implicit Unit conversion" that was actually compiled down to a stack pop instead. If an expression happened to already have type Unit, however, such a conversion was not inserted, resulting in a stray reference on the stack. These conversions are now redundant and should probably be removed. * In assignments and non-exhaustive conditionals, materialize a Unit on the stack to avoid depth mismatches that trip up the bytecode validator. Because such expressions are generally used at block level (and, indeed, the frontend will reject a non-exhaustive conditional used as an expression), combined with the above change this results in no additional GETSTATIC opcodes, as they are immediately removed by the peephole optimizer.
32 lines
622 B
Kotlin
Vendored
32 lines
622 B
Kotlin
Vendored
class A(val p: String) {
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val prop: String = throw RuntimeException()
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}
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class B(val p: String) {
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val prop: String = if (p == "test") "OK" else throw RuntimeException()
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}
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fun box(): String {
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var result = "fail"
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try {
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if (A("test").prop != "OK") return "fail 1"
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}
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catch (e: RuntimeException) {
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result = "OK"
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}
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if (result != "OK") return "fail 1: $result"
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if (B("test").prop != "OK") return "fail 2"
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result = "fail"
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try {
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if (B("fail").prop != "OK") return "fail 3"
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}
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catch (e: RuntimeException) {
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return "OK"
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}
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return "fail"
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} |