[fir2ir] Add tests for code fragments returning Nothing

JVM backend transforms 'Nothing' return types to 'void' which the
debugger doesn't expect.

^KT-70860

Author: yanex

analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/compilerFacility/FirIdeNormalAnalysisLibrarySourceModuleCompilerFacilityTestGenerated.java

@@ -0,0 +1,11 @@
+MODULE_FRAGMENT
+  FILE fqName:<root> fileName:fragment.kt
+    CLASS CLASS name:CodeFragment modality:FINAL visibility:public superTypes:[kotlin.Any]
+      thisReceiver: VALUE_PARAMETER INSTANCE_RECEIVER kind:DispatchReceiver name:<this> type:<root>.CodeFragment
+      CONSTRUCTOR visibility:public returnType:<root>.CodeFragment [primary]
+        BLOCK_BODY
+          DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
+      FUN name:run visibility:public modality:FINAL returnType:kotlin.Nothing
+        EXPRESSION_BODY
+          BLOCK type=kotlin.Unit origin=null
+            CALL 'public final fun call (): kotlin.Nothing declared in <root>.ContextKt' type=kotlin.Nothing origin=null

analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/compilerFacility/FirIdeNormalAnalysisSourceModuleCompilerFacilityTestGenerated.java

@@ -0,0 +1,24 @@
+// DUMP_CODE
+
+// MODULE: context
+
+//FILE: context.kt
+fun main() {
+    <caret_context>call()
+}
+
+fun call(): Nothing {
+    doNotCall()
+}
+
+fun doNotCall(): Nothing {
+    error("Boo")
+}
+
+// MODULE: main
+// MODULE_KIND: CodeFragment
+// CONTEXT_MODULE: context
+
+// FILE: fragment.kt
+// CODE_FRAGMENT_KIND: EXPRESSION
+call()

analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/resultNothing.ir.txt

@@ -0,0 +1,33 @@
+// class version 52.0 (52)
+// access flags 0x31
+public final class CodeFragment {
+
+  // compiled from: fragment.kt
+
+  @Lkotlin/Metadata;(mv={2, 3, 0}, k=3, xi=48)
+
+  // access flags 0x1
+  public <init>()V
+   L0
+    ALOAD 0
+    INVOKESPECIAL java/lang/Object.<init> ()V
+    RETURN
+   L1
+    LOCALVARIABLE this LCodeFragment; L0 L1 0
+    MAXSTACK = 1
+    MAXLOCALS = 1
+
+  // access flags 0x19
+  public final static run()Ljava/lang/Void;
+  @Lorg/jetbrains/annotations/NotNull;() // invisible
+   L0
+    LINENUMBER 24 L0
+    INVOKESTATIC ContextKt.call ()Ljava/lang/Void;
+    POP
+    NEW kotlin/KotlinNothingValueException
+    DUP
+    INVOKESPECIAL kotlin/KotlinNothingValueException.<init> ()V
+    ATHROW
+    MAXSTACK = 2
+    MAXLOCALS = 0
+}

analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/resultNothing.kt

@@ -0,0 +1,12 @@
+MODULE_FRAGMENT
+  FILE fqName:<root> fileName:fragment.kt
+    CLASS CLASS name:CodeFragment modality:FINAL visibility:public superTypes:[kotlin.Any]
+      thisReceiver: VALUE_PARAMETER INSTANCE_RECEIVER kind:DispatchReceiver name:<this> type:<root>.CodeFragment
+      CONSTRUCTOR visibility:public returnType:<root>.CodeFragment [primary]
+        BLOCK_BODY
+          DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
+      FUN name:run visibility:public modality:FINAL returnType:kotlin.Nothing?
+        VALUE_PARAMETER kind:Regular name:p0 index:0 type:kotlin.String?
+        EXPRESSION_BODY
+          BLOCK type=kotlin.Nothing? origin=null
+            GET_VAR 'p0: kotlin.String? declared in <root>.CodeFragment.run' type=kotlin.String? origin=null

analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/resultNothing.txt

@@ -0,0 +1,21 @@
+// DUMP_CODE
+
+// MODULE: context
+
+//FILE: context.kt
+fun main() {
+    var str: String? = null
+    str = "not null"
+    println(str)
+    <caret_context>str = null
+    println(str)
+}
+
+
+// MODULE: main
+// MODULE_KIND: CodeFragment
+// CONTEXT_MODULE: context
+
+// FILE: fragment.kt
+// CODE_FRAGMENT_KIND: EXPRESSION
+str

analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/resultNothingBeforeSmartCast.ir.txt

@@ -0,0 +1,34 @@
+// class version 52.0 (52)
+// access flags 0x31
+public final class CodeFragment {
+
+  // compiled from: fragment.kt
+
+  @Lkotlin/Metadata;(mv={2, 3, 0}, k=3, xi=48)
+
+  // access flags 0x1
+  public <init>()V
+   L0
+    ALOAD 0
+    INVOKESPECIAL java/lang/Object.<init> ()V
+    RETURN
+   L1
+    LOCALVARIABLE this LCodeFragment; L0 L1 0
+    MAXSTACK = 1
+    MAXLOCALS = 1
+
+  // access flags 0x19
+  public final static run(Ljava/lang/String;)Ljava/lang/Void;
+  @Lorg/jetbrains/annotations/Nullable;() // invisible
+    // annotable parameter count: 1 (invisible)
+    @Lorg/jetbrains/annotations/Nullable;() // invisible, parameter 0
+   L0
+    LINENUMBER 21 L0
+    ALOAD 0
+    CHECKCAST java/lang/Void
+    ARETURN
+   L1
+    LOCALVARIABLE p0 Ljava/lang/String; L0 L1 0
+    MAXSTACK = 1
+    MAXLOCALS = 1
+}

analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/resultNothingBeforeSmartCast.kt

@@ -0,0 +1,12 @@
+MODULE_FRAGMENT
+  FILE fqName:<root> fileName:fragment.kt
+    CLASS CLASS name:CodeFragment modality:FINAL visibility:public superTypes:[kotlin.Any]
+      thisReceiver: VALUE_PARAMETER INSTANCE_RECEIVER kind:DispatchReceiver name:<this> type:<root>.CodeFragment
+      CONSTRUCTOR visibility:public returnType:<root>.CodeFragment [primary]
+        BLOCK_BODY
+          DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
+      FUN name:run visibility:public modality:FINAL returnType:kotlin.Nothing?
+        VALUE_PARAMETER kind:Regular name:p0 index:0 type:kotlin.String?
+        EXPRESSION_BODY
+          BLOCK type=kotlin.Nothing? origin=null
+            GET_VAR 'p0: kotlin.String? declared in <root>.CodeFragment.run' type=kotlin.String? origin=null

analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/resultNothingBeforeSmartCast.txt

@@ -0,0 +1,21 @@
+// DUMP_CODE
+
+// MODULE: context
+
+//FILE: context.kt
+fun main() {
+    var str: String? = null
+    str = "not null"
+    println(str)
+    str = null
+    <caret_context>println(str)
+}
+
+
+// MODULE: main
+// MODULE_KIND: CodeFragment
+// CONTEXT_MODULE: context
+
+// FILE: fragment.kt
+// CODE_FRAGMENT_KIND: EXPRESSION
+str