diff --git a/build.gradle.kts b/build.gradle.kts
index 7139916b9b7..8ea5580e3c7 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,7 +8,7 @@ buildscript {
     extra["defaultSnapshotVersion"] = "1.3-SNAPSHOT"
     val cacheRedirectorEnabled = findProperty("cacheRedirectorEnabled")?.toString()?.toBoolean() == true
 
-    kotlinBootstrapFrom(BootstrapOption.BintrayBootstrap("1.3.70-dev-1416", cacheRedirectorEnabled))
+    kotlinBootstrapFrom(BootstrapOption.BintrayBootstrap("1.3.70-dev-1806", cacheRedirectorEnabled))
 
     repositories {
         bootstrapKotlinRepo?.let(::maven)
diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/dfa/FirDataFlowAnalyzer.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/dfa/FirDataFlowAnalyzer.kt
index 2d88cb065a2..c629f283f89 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/dfa/FirDataFlowAnalyzer.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/dfa/FirDataFlowAnalyzer.kt
@@ -638,9 +638,9 @@ class FirDataFlowAnalyzer(private val components: FirAbstractBodyResolveTransfor
          *      x.length
          *   }
          */
+        val realVariable = getOrCreateRealVariable(variable)
+        requireNotNull(realVariable)
         variableStorage[initializer]?.takeIf { it.isSynthetic() }?.let { initializerVariable ->
-            val realVariable = getOrCreateRealVariable(variable)
-            requireNotNull(realVariable)
             logicSystem.changeVariableForConditionFlow(node.flow, initializerVariable, realVariable)
         }
 
@@ -648,6 +648,21 @@ class FirDataFlowAnalyzer(private val components: FirAbstractBodyResolveTransfor
         getOrCreateRealVariable(initializer)?.let { rhsVariable ->
             variableStorage.createAliasVariable(variable.symbol, rhsVariable)
         }
+
+        getRealVariablesForSafeCallChain(initializer).takeIf { it.isNotEmpty() }?.let {
+            val flow = node.flow
+            for (variableFromSafeCall in it) {
+                logicSystem.addConditionalInfo(
+                    flow,
+                    variableFromSafeCall,
+                    ConditionalFirDataFlowInfo(
+                        NotEqNull,
+                        realVariable,
+                        FirDataFlowInfo(setOf(session.builtinTypes.anyType.coneTypeUnsafe()), emptySet())
+                    )
+                )
+            }
+        }
     }
 
     fun exitVariableAssignment(assignment: FirVariableAssignment) {
diff --git a/compiler/fir/resolve/testData/resolve/smartcasts/anotherBoundSmartcasts.kt b/compiler/fir/resolve/testData/resolve/smartcasts/anotherBoundSmartcasts.kt
new file mode 100644
index 00000000000..54a2315b81c
--- /dev/null
+++ b/compiler/fir/resolve/testData/resolve/smartcasts/anotherBoundSmartcasts.kt
@@ -0,0 +1,21 @@
+interface A {
+    fun foo(): Int
+
+    val x: Int
+
+    fun bar()
+}
+
+fun test_1(a: A?) {
+    val x = a?.x
+    if (x != null) {
+        a.bar()
+    }
+}
+
+fun test_2(a: A?) {
+    val x = a?.foo()
+    if (x != null) {
+        a.bar()
+    }
+}
\ No newline at end of file
diff --git a/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirDiagnosticsWithCfgTestGenerated.java b/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirDiagnosticsWithCfgTestGenerated.java
index 72e606a7efe..53c0b94839d 100644
--- a/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirDiagnosticsWithCfgTestGenerated.java
+++ b/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirDiagnosticsWithCfgTestGenerated.java
@@ -118,6 +118,11 @@ public class FirDiagnosticsWithCfgTestGenerated extends AbstractFirDiagnosticsWi
             KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/fir/resolve/testData/resolve/smartcasts"), Pattern.compile("^([^.]+)\\.kt$"), true);
         }
 
+        @TestMetadata("anotherBoundSmartcasts.kt")
+        public void testAnotherBoundSmartcasts() throws Exception {
+            runTest("compiler/fir/resolve/testData/resolve/smartcasts/anotherBoundSmartcasts.kt");
+        }
+
         @TestMetadata("bangbang.kt")
         public void testBangbang() throws Exception {
             runTest("compiler/fir/resolve/testData/resolve/smartcasts/bangbang.kt");