[FIR] Reproduce #KT-58939

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosticCompilerTestFirTestdataTestGenerated.java

@@ -4941,6 +4941,12 @@ public class DiagnosticCompilerTestFirTestdataTestGenerated extends AbstractDiag
                 runTest("compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/correctJava.kt");
             }
 
+            @Test
+            @TestMetadata("enumWithTheSameNameAsEntry.kt")
+            public void testEnumWithTheSameNameAsEntry() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/enumWithTheSameNameAsEntry.kt");
+            }
+
             @Test
             @TestMetadata("incorrectJava.kt")
             public void testIncorrectJava() throws Exception {

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirPreresolvedReversedDiagnosticCompilerFirTestDataTestGenerated.java

@@ -4941,6 +4941,12 @@ public class LLFirPreresolvedReversedDiagnosticCompilerFirTestDataTestGenerated
                 runTest("compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/correctJava.kt");
             }
 
+            @Test
+            @TestMetadata("enumWithTheSameNameAsEntry.kt")
+            public void testEnumWithTheSameNameAsEntry() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/enumWithTheSameNameAsEntry.kt");
+            }
+
             @Test
             @TestMetadata("incorrectJava.kt")
             public void testIncorrectJava() throws Exception {

compiler/fir/analysis-tests/legacy-fir-tests/tests-gen/org/jetbrains/kotlin/fir/LazyBodyIsNotTouchedTestGenerated.java

@@ -4400,6 +4400,11 @@ public class LazyBodyIsNotTouchedTestGenerated extends AbstractLazyBodyIsNotTouc
             runTest("compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/correctJava.kt");
         }
 
+        @TestMetadata("enumWithTheSameNameAsEntry.kt")
+        public void testEnumWithTheSameNameAsEntry() throws Exception {
+            runTest("compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/enumWithTheSameNameAsEntry.kt");
+        }
+
         @TestMetadata("incorrectJava.kt")
         public void testIncorrectJava() throws Exception {
             runTest("compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/incorrectJava.kt");

compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/enumWithTheSameNameAsEntry.fir.txt

@@ -0,0 +1,29 @@
+FILE: enumWithTheSameNameAsEntry.kt
+    public final enum class A : R|kotlin/Enum<A>| {
+        private constructor(): R|A| {
+            super<R|kotlin/Enum<A>|>()
+        }
+
+        public final static enum entry A: R|A|
+        public final static enum entry B: R|A|
+        public final static fun values(): R|kotlin/Array<A>| {
+        }
+
+        public final static fun valueOf(value: R|kotlin/String|): R|A| {
+        }
+
+        public final static val entries: R|kotlin/enums/EnumEntries<A>|
+            public get(): R|kotlin/enums/EnumEntries<A>|
+
+    }
+    public final fun test(a: R|A|): R|kotlin/Unit| {
+        ^test when (R|<local>/a|) {
+            ==($subj$, R|/A.A|.<Unresolved name: A>#) ->  {
+                String(A)
+            }
+            ==($subj$, R|/A.A|.<Unresolved name: B>#) ->  {
+                String(B)
+            }
+        }
+
+    }

compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/enumWithTheSameNameAsEntry.kt

@@ -0,0 +1,12 @@
+// LANGUAGE: +ContextSensitiveEnumResolutionInWhen
+// KT-58939
+
+enum class A {
+    A,
+    B,
+}
+
+fun test(a: A) = <!NO_ELSE_IN_WHEN!>when<!> (a) {
+    A.<!UNRESOLVED_REFERENCE!>A<!> -> "A"
+    A.<!UNRESOLVED_REFERENCE!>B<!> -> "B"
+}

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirLightTreeDiagnosticsTestGenerated.java

@@ -4941,6 +4941,12 @@ public class FirLightTreeDiagnosticsTestGenerated extends AbstractFirLightTreeDi
                 runTest("compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/correctJava.kt");
             }
 
+            @Test
+            @TestMetadata("enumWithTheSameNameAsEntry.kt")
+            public void testEnumWithTheSameNameAsEntry() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/enumWithTheSameNameAsEntry.kt");
+            }
+
             @Test
             @TestMetadata("incorrectJava.kt")
             public void testIncorrectJava() throws Exception {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirPsiDiagnosticTestGenerated.java

@@ -4941,6 +4941,12 @@ public class FirPsiDiagnosticTestGenerated extends AbstractFirPsiDiagnosticTest
                 runTest("compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/correctJava.kt");
             }
 
+            @Test
+            @TestMetadata("enumWithTheSameNameAsEntry.kt")
+            public void testEnumWithTheSameNameAsEntry() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/unqualifiedEnum/enumWithTheSameNameAsEntry.kt");
+            }
+
             @Test
             @TestMetadata("incorrectJava.kt")
             public void testIncorrectJava() throws Exception {