Fix for KT-15575: VerifyError: Bad type on operand stack

#KT-15575 Fixed

compiler/testData/codegen/box/arrays/multiDecl/kt15568.kt

@@ -0,0 +1,13 @@
+fun box(): String {
+    val a = Array(2) { DoubleArray(3) }
+
+    for (i in 1..1) {
+        for (j in 0..2) {
+            a[i][j] += a[i - 1][j]
+        }
+    }
+
+    if (a[0][0] != 0.0) return "fail ${a[0][0]}"
+
+    return "OK"
+}