K2: reproduce KT-60312

compiler/testData/ir/irText/firProblems/IntArrayAsVararg.fir.ir.txt

@@ -0,0 +1,16 @@
+FILE fqName:<root> fileName:/IntArrayAsVararg.kt
+  FUN name:main visibility:public modality:FINAL <> () returnType:kotlin.Unit
+    BLOCK_BODY
+      CALL 'public final fun consumeVarargs (vararg arr: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
+        arr: VARARG type=kotlin.IntArray varargElementType=kotlin.Int
+          CONST Int type=kotlin.Int value=1
+          CONST Int type=kotlin.Int value=2
+      CALL 'public final fun consumeVarargs (vararg arr: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
+        arr: VARARG type=kotlin.IntArray varargElementType=kotlin.Int
+          CALL 'public final fun intArrayOf (vararg elements: kotlin.Int): kotlin.IntArray declared in kotlin' type=kotlin.IntArray origin=null
+            elements: VARARG type=kotlin.IntArray varargElementType=kotlin.Int
+              CONST Int type=kotlin.Int value=41
+              CONST Int type=kotlin.Int value=42
+  FUN name:consumeVarargs visibility:public modality:FINAL <> (arr:kotlin.IntArray) returnType:kotlin.Unit
+    VALUE_PARAMETER name:arr index:0 type:kotlin.IntArray varargElementType:kotlin.Int [vararg]
+    BLOCK_BODY

compiler/testData/ir/irText/firProblems/IntArrayAsVararg.fir.kt.txt

@@ -0,0 +1,7 @@
+fun main() {
+  consumeVarargs(arr = [1, 2])
+  consumeVarargs(arr = [intArrayOf(elements = [41, 42])])
+}
+
+fun consumeVarargs(vararg arr: Int) {
+}

compiler/testData/ir/irText/firProblems/IntArrayAsVararg.ir.txt

@@ -0,0 +1,17 @@
+FILE fqName:<root> fileName:/IntArrayAsVararg.kt
+  FUN name:main visibility:public modality:FINAL <> () returnType:kotlin.Unit
+    BLOCK_BODY
+      CALL 'public final fun consumeVarargs (vararg arr: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
+        arr: VARARG type=kotlin.IntArray varargElementType=kotlin.Int
+          CONST Int type=kotlin.Int value=1
+          CONST Int type=kotlin.Int value=2
+      CALL 'public final fun consumeVarargs (vararg arr: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
+        arr: VARARG type=kotlin.IntArray varargElementType=kotlin.Int
+          SPREAD_ELEMENT
+            CALL 'public final fun intArrayOf (vararg elements: kotlin.Int): kotlin.IntArray declared in kotlin' type=kotlin.IntArray origin=null
+              elements: VARARG type=kotlin.IntArray varargElementType=kotlin.Int
+                CONST Int type=kotlin.Int value=41
+                CONST Int type=kotlin.Int value=42
+  FUN name:consumeVarargs visibility:public modality:FINAL <> (arr:kotlin.IntArray) returnType:kotlin.Unit
+    VALUE_PARAMETER name:arr index:0 type:kotlin.IntArray varargElementType:kotlin.Int [vararg]
+    BLOCK_BODY

compiler/testData/ir/irText/firProblems/IntArrayAsVararg.kt

@@ -0,0 +1,10 @@
+// WITH_STDLIB
+// ISSUE: KT-60312
+// SKIP_SIGNATURE_DUMP
+
+fun main() {
+    consumeVarargs(1, 2)
+    consumeVarargs(arr = intArrayOf(41, 42))
+}
+
+fun consumeVarargs(vararg arr: Int) {}

compiler/testData/ir/irText/firProblems/IntArrayAsVararg.kt.txt

@@ -0,0 +1,7 @@
+fun main() {
+  consumeVarargs(arr = [1, 2])
+  consumeVarargs(arr = [*intArrayOf(elements = [41, 42])])
+}
+
+fun consumeVarargs(vararg arr: Int) {
+}