FIR2IR: add implicit NOT_NULL cast if needed

compiler/testData/codegen/box/javaInterop/notNullAssertions/enhancedNullability/inFunctionWithExpressionBody.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +StrictJavaNullabilityAssertions
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 
 // FILE: box.kt

compiler/testData/codegen/box/javaInterop/notNullAssertions/enhancedNullability/inLambdaReturnWithExpectedType.kt

@@ -1,4 +1,5 @@
 // !LANGUAGE: +StrictJavaNullabilityAssertions
+// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 
 // FILE: inLambdaReturnWithExpectedType.kt

compiler/testData/codegen/box/javaInterop/notNullAssertions/enhancedNullability/inLocalFunctionWithExpressionBody.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +StrictJavaNullabilityAssertions
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 
 // FILE: box.kt

compiler/testData/codegen/box/javaInterop/notNullAssertions/enhancedNullability/inLocalVariableInitializer.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +StrictJavaNullabilityAssertions
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 
 // FILE: box.kt

compiler/testData/codegen/box/javaInterop/notNullAssertions/enhancedNullability/inMemberPropertyInitializer.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +StrictJavaNullabilityAssertions
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 
 // FILE: box.kt

compiler/testData/codegen/box/javaInterop/notNullAssertions/enhancedNullability/inPropertyGetterWithExpressionBody.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +StrictJavaNullabilityAssertions
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 
 // FILE: box.kt

compiler/testData/codegen/box/javaInterop/notNullAssertions/enhancedNullability/inTopLevelPropertyInitializer.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +StrictJavaNullabilityAssertions
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 
 // FILE: box.kt

compiler/testData/codegen/box/javaInterop/notNullAssertions/nullCheckOnLambdaReturnValue/nnStringVsT.kt

@@ -1,4 +1,5 @@
 // TARGET_BACKEND: JVM
+// IGNORE_BACKEND_FIR: JVM_IR
 // FILE: nnStringVsT.kt
 fun <T> useT(fn: () -> T) = fn()
 

compiler/testData/codegen/box/javaInterop/notNullAssertions/nullCheckOnLambdaReturnValue/nnStringVsTAny.kt

@@ -1,4 +1,5 @@
 // TARGET_BACKEND: JVM
+// IGNORE_BACKEND_FIR: JVM_IR
 // FILE: nnStringVsTAny.kt
 fun <T : Any> useTAny(fn: () -> T) = fn()
 

compiler/testData/codegen/box/javaInterop/notNullAssertions/nullCheckOnLambdaReturnValue/nnStringVsTConstrained.kt

@@ -1,5 +1,4 @@
 // TARGET_BACKEND: JVM
-// IGNORE_BACKEND_FIR: JVM_IR
 // FILE: nnStringVsTConstrained.kt
 fun <T> useTConstrained(xs: Array<T>, fn: () -> T) = fn()
 

compiler/testData/codegen/box/javaInterop/notNullAssertions/nullCheckOnLambdaReturnValue/nnStringVsTXArray.kt

@@ -1,5 +1,4 @@
 // TARGET_BACKEND: JVM
-// IGNORE_BACKEND_FIR: JVM_IR
 // FILE: nnStringVsTXArray.kt
 fun <T> useTX(x: T, fn: () -> T) = fn()
 

compiler/testData/codegen/box/javaInterop/notNullAssertions/nullCheckOnLambdaReturnValue/nnStringVsTXString.kt

@@ -1,5 +1,4 @@
 // TARGET_BACKEND: JVM
-// IGNORE_BACKEND_FIR: JVM_IR
 // FILE: nnStringVsTXString.kt
 fun <T> useTX(x: T, fn: () -> T) = fn()
 

compiler/testData/codegen/box/nullCheckOptimization/javaNullCheckThrowsIse_1_3.kt

@@ -1,5 +1,4 @@
 // KOTLIN_CONFIGURATION_FLAGS: +JVM.NO_UNIFIED_NULL_CHECKS
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 // FILE: A.java
 

compiler/testData/codegen/box/nullCheckOptimization/javaNullCheckThrowsNpe.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 // FILE: A.java
 

compiler/testData/codegen/bytecodeText/nullCheckOptimization/deterministicNotNullChecks.kt

@@ -1,4 +1,7 @@
 // FILE: test/CallableDescriptor.java
+// IGNORE_BACKEND_FIR: JVM_IR
+// Here FIR adds implicit NOT_NULL cast for `origin`, resulting in an assertion being added,
+// which is the correct (yet mismatching) behavior, according to https://youtrack.jetbrains.com/issue/KT-35656
 
 // JVM_IR:
 // Here in 'original in emptySet<D>()' T = '@EnhancedNullability CallableDescriptor' is inferred for 'Iterable<T>.contains(T)'.