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Use of uninitialized variables in lambdas / object literals / local functions is forbidden now #KT-4475 Fixed

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Local declarations CFA: variable initialization information before them is now taken into account
This commit is contained in:
Mikhail Glukhikh
2015-11-11 13:05:40 +03:00
parent 89791dc85c
commit fe13f39de9
26 changed files with 245 additions and 105 deletions
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compiler/testData/cfg-variables/bugs/referenceToPropertyInitializer.instructions
Vendored
+18 -18
View File
@@ -27,20 +27,20 @@ sink:
}
---------------------
L3:
2 <START> INIT: in: {} out: {}
v(x: Int) INIT: in: {} out: {x=D}
magic[FAKE_INITIALIZER](x: Int) -> <v0> INIT: in: {x=D} out: {x=D}
w(x|<v0>) INIT: in: {x=D} out: {x=ID}
3 mark(sum(x - 1) + x) INIT: in: {x=ID} out: {x=ID}
magic[IMPLICIT_RECEIVER](sum) -> <v1> USE: in: {sum=READ, x=READ} out: {sum=READ, x=READ}
r(sum|<v1>) -> <v2> USE: in: {x=READ} out: {sum=READ, x=READ}
2 <START> INIT: in: {sum=D} out: {sum=D}
v(x: Int) INIT: in: {sum=D} out: {sum=D, x=D}
magic[FAKE_INITIALIZER](x: Int) -> <v0> INIT: in: {sum=D, x=D} out: {sum=D, x=D}
w(x|<v0>) INIT: in: {sum=D, x=D} out: {sum=D, x=ID}
3 mark(sum(x - 1) + x) INIT: in: {sum=D, x=ID} out: {sum=D, x=ID}
magic[IMPLICIT_RECEIVER](sum) -> <v1> USE: in: {sum=READ, x=READ} out: {sum=READ, x=READ}
r(sum|<v1>) -> <v2> USE: in: {x=READ} out: {sum=READ, x=READ}
r(x) -> <v3>
r(1) -> <v4>
mark(x - 1)
call(x - 1, minus|<v3>, <v4>) -> <v5>
mark(sum(x - 1))
call(sum(x - 1), invoke|<v2>, <v5>) -> <v6> USE: in: {x=READ} out: {x=READ}
r(x) -> <v7> USE: in: {} out: {x=READ}
call(sum(x - 1), invoke|<v2>, <v5>) -> <v6> USE: in: {x=READ} out: {x=READ}
r(x) -> <v7> USE: in: {} out: {x=READ}
mark(sum(x - 1) + x)
call(sum(x - 1) + x, plus|<v6>, <v7>) -> <v8>
2 ret(*|<v8>) L4
@@ -49,7 +49,7 @@ L4:
error:
<ERROR> INIT: in: {} out: {}
sink:
<SINK> INIT: in: {x=ID} out: {x=ID} USE: in: {} out: {}
<SINK> INIT: in: {sum=D, x=ID} out: {sum=D, x=ID} USE: in: {} out: {}
=====================
== A ==
open class A(val a: A)
@@ -109,18 +109,18 @@ fun foo() {
}
---------------------
L3:
2 <START> INIT: in: {} out: {}
2 <START> INIT: in: {obj=D} out: {obj=D}
3 mark({ val y = obj })
v(val y = obj) INIT: in: {} out: {y=D}
magic[IMPLICIT_RECEIVER](obj) -> <v0> INIT: in: {y=D} out: {y=D} USE: in: {obj=READ} out: {obj=READ}
r(obj|<v0>) -> <v1> USE: in: {} out: {obj=READ}
w(y|<v1>) INIT: in: {y=D} out: {y=ID}
v(val y = obj) INIT: in: {obj=D} out: {obj=D, y=D}
magic[IMPLICIT_RECEIVER](obj) -> <v0> INIT: in: {obj=D, y=D} out: {obj=D, y=D} USE: in: {obj=READ} out: {obj=READ}
r(obj|<v0>) -> <v1> USE: in: {} out: {obj=READ}
w(y|<v1>) INIT: in: {obj=D, y=D} out: {obj=D, y=ID}
L4:
2 <END> INIT: in: {} out: {}
2 <END> INIT: in: {obj=D} out: {obj=D}
error:
<ERROR>
<ERROR> INIT: in: {} out: {}
sink:
<SINK> USE: in: {} out: {}
<SINK> INIT: in: {obj=D} out: {obj=D} USE: in: {} out: {}
=====================
== TestOther ==
class TestOther {