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[JVM] Add tests that expose problem with locals collapsing.

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The collapsing happens during suspend function state machine
transformation.
This commit is contained in:
Mads Ager
2020-12-08 09:30:05 +01:00
committed by Ilmir Usmanov
parent 8e38f9d176
commit 1bb864bbb0
5 changed files with 118 additions and 0 deletions
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compiler/testData/debug/localVariables/suspend/localsStateMachineTransform.kt
Vendored
+50
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// WITH_COROUTINES
// FILE: test.kt
suspend fun h() { }
fun f(x: Int) = x
suspend fun box() {
// Force state machine transformation.
h()
for (x in 0..1) {
f(x)
}
// Local `x` is NOT visible here.
42
for (x in 0..1) {
f(x)
}
}
// The current backend does not have `x` visible in the locals table for the for loop at all.
// IGNORE_BACKEND: JVM
// LOCAL VARIABLES
// test.kt:7 box:
// CoroutineUtil.kt:28 getContext:
// test.kt:-1 <init>: $completion:kotlin.coroutines.Continuation=helpers.ResultContinuation
// test.kt:7 box:
// test.kt:9 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null
// test.kt:3 h: $completion:kotlin.coroutines.Continuation=TestKt$box$1
// test.kt:9 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null
// test.kt:10 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null
// test.kt:11 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=0:int
// test.kt:5 f: x:int=0:int
// test.kt:11 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=0:int
// test.kt:10 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=0:int
// test.kt:11 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=1:int
// test.kt:5 f: x:int=1:int
// test.kt:11 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=1:int
// test.kt:10 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=1:int
// test.kt:14 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=1:int
// test.kt:15 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=1:int
// test.kt:16 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=0:int
// test.kt:5 f: x:int=0:int
// test.kt:16 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=0:int
// test.kt:15 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null
// test.kt:16 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=1:int
// test.kt:5 f: x:int=1:int
// test.kt:16 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null, x:int=1:int
// test.kt:15 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null
// test.kt:18 box: $continuation:kotlin.coroutines.Continuation=TestKt$box$1, $result:java.lang.Object=null