Fix for #1880

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/PostInlineLowering.kt

@@ -74,7 +74,10 @@ internal class PostInlineLowering(val context: Context) : FileLoweringPass {
             override fun visitCall(expression: IrCall): IrExpression {
                 expression.transformChildrenVoid(this)
 
-                if (expression.symbol == context.ir.symbols.immutableBinaryBlobOf) {
+                // Function inlining is changing function symbol at callsite
+                // and unbound symbol replacement is happening later.
+                // So we compare descriptors for now.
+                if (expression.descriptor == context.immutableBinaryBlobOf) {
                     // Convert arguments of the binary blob to special IrConst<String> structure, so that
                     // vararg lowering will not affect it.
                     val args = expression.getValueArgument(0) as? IrVararg

backend.native/tests/build.gradle

@@ -1462,6 +1462,11 @@ task if_else(type: RunKonanTest) {
     source = "codegen/branching/if_else.kt"
 }
 
+task immutable_binary_blob_in_lambda(type: RunKonanTest) {
+    source = "lower/immutable_binary_blob_in_lambda.kt"
+    goldValue = "123\n"
+}
+
 task when2(type: RunKonanTest) {
     source = "codegen/branching/when2.kt"
 }

backend.native/tests/lower/immutable_binary_blob_in_lambda.kt

@@ -0,0 +1,9 @@
+package lower.immutable_binary_blob_in_lambda
+
+import kotlin.test.*
+
+@Test
+fun runTest() = run {
+    val golden = immutableBinaryBlobOf(123)
+    println(golden[0])
+}