diff --git a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java
index 3f8717dd6c3..4f690ca918b 100644
--- a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java
+++ b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java
@@ -5045,6 +5045,12 @@ public class DiagnosisCompilerTestFE10TestdataTestGenerated extends AbstractDiag
                     runTest("compiler/testData/diagnostics/tests/constantEvaluator/constant/integers.kt");
                 }
 
+                @Test
+                @TestMetadata("invAsCompileTimeCall.kt")
+                public void testInvAsCompileTimeCall() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/constantEvaluator/constant/invAsCompileTimeCall.kt");
+                }
+
                 @Test
                 @TestMetadata("localVal.kt")
                 public void testLocalVal() throws Exception {
diff --git a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsTestGenerated.java b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsTestGenerated.java
index 6bab06d6a59..5697eab7762 100644
--- a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsTestGenerated.java
+++ b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsTestGenerated.java
@@ -5045,6 +5045,12 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirDiagnosti
                     runTest("compiler/testData/diagnostics/tests/constantEvaluator/constant/integers.kt");
                 }
 
+                @Test
+                @TestMetadata("invAsCompileTimeCall.kt")
+                public void testInvAsCompileTimeCall() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/constantEvaluator/constant/invAsCompileTimeCall.kt");
+                }
+
                 @Test
                 @TestMetadata("localVal.kt")
                 public void testLocalVal() throws Exception {
diff --git a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsWithLightTreeTestGenerated.java b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsWithLightTreeTestGenerated.java
index 2b0acc4c929..ce06bcb91be 100644
--- a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsWithLightTreeTestGenerated.java
+++ b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsWithLightTreeTestGenerated.java
@@ -5045,6 +5045,12 @@ public class FirOldFrontendDiagnosticsWithLightTreeTestGenerated extends Abstrac
                     runTest("compiler/testData/diagnostics/tests/constantEvaluator/constant/integers.kt");
                 }
 
+                @Test
+                @TestMetadata("invAsCompileTimeCall.kt")
+                public void testInvAsCompileTimeCall() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/constantEvaluator/constant/invAsCompileTimeCall.kt");
+                }
+
                 @Test
                 @TestMetadata("localVal.kt")
                 public void testLocalVal() throws Exception {
diff --git a/compiler/testData/diagnostics/tests/constantEvaluator/constant/invAsCompileTimeCall.kt b/compiler/testData/diagnostics/tests/constantEvaluator/constant/invAsCompileTimeCall.kt
new file mode 100644
index 00000000000..25e79b4e580
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/constantEvaluator/constant/invAsCompileTimeCall.kt
@@ -0,0 +1,4 @@
+// FIR_IDENTICAL
+// ISSUE: KT-50998
+const val Mask: Int = 0xC0000000.toInt()
+const val Mask_Inv: Int = Mask.inv()
\ No newline at end of file
diff --git a/compiler/testData/diagnostics/tests/constantEvaluator/constant/invAsCompileTimeCall.txt b/compiler/testData/diagnostics/tests/constantEvaluator/constant/invAsCompileTimeCall.txt
new file mode 100644
index 00000000000..7311188b2f5
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/constantEvaluator/constant/invAsCompileTimeCall.txt
@@ -0,0 +1,4 @@
+package
+
+public const val Mask: kotlin.Int = -1073741824
+public const val Mask_Inv: kotlin.Int = 1073741823
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java
index 00b9d718c27..de1e916ba39 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java
@@ -5051,6 +5051,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
                     runTest("compiler/testData/diagnostics/tests/constantEvaluator/constant/integers.kt");
                 }
 
+                @Test
+                @TestMetadata("invAsCompileTimeCall.kt")
+                public void testInvAsCompileTimeCall() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/constantEvaluator/constant/invAsCompileTimeCall.kt");
+                }
+
                 @Test
                 @TestMetadata("localVal.kt")
                 public void testLocalVal() throws Exception {
diff --git a/core/compiler.common/src/org/jetbrains/kotlin/util/OperatorNameConventions.kt b/core/compiler.common/src/org/jetbrains/kotlin/util/OperatorNameConventions.kt
index 5c90f78b444..ae38ec42394 100644
--- a/core/compiler.common/src/org/jetbrains/kotlin/util/OperatorNameConventions.kt
+++ b/core/compiler.common/src/org/jetbrains/kotlin/util/OperatorNameConventions.kt
@@ -72,10 +72,10 @@ object OperatorNameConventions {
     // If you add new unary, binary or assignment operators, add it to OperatorConventions as well
 
     @JvmField
-    val UNARY_OPERATION_NAMES = setOf(INC, DEC, UNARY_PLUS, UNARY_MINUS, NOT)
+    val UNARY_OPERATION_NAMES = setOf(INC, DEC, UNARY_PLUS, UNARY_MINUS, NOT, INV)
 
     @JvmField
-    val SIMPLE_UNARY_OPERATION_NAMES = setOf(UNARY_PLUS, UNARY_MINUS, NOT)
+    val SIMPLE_UNARY_OPERATION_NAMES = setOf(UNARY_PLUS, UNARY_MINUS, NOT, INV)
 
     @JvmField
     val BINARY_OPERATION_NAMES = setOf(TIMES, PLUS, MINUS, DIV, MOD, REM, RANGE_TO)