JVM_IR: Fix null-constant comparison with primitive types.

compiler/testData/codegen/bytecodeText/conditions/nullCompareConst.kt

@@ -0,0 +1,20 @@
+fun f(): Boolean = "non-primitive" == null
+fun g(): Boolean = null == "non-primitive"
+fun h(): Boolean = "non-primitive".equals(null)
+//fun i(): Boolean = null.equals("non-primitive")
+//See KT-33757
+
+// JVM does not optimize h() to constant false
+
+// 0 IF
+
+// JVM_TEMPLATES
+// 2 ICONST_0
+// 1 ACONST_NULL
+// 1 INVOKEVIRTUAL
+
+// JVM_IR_TEMPLATES
+// 0 ACONST_NULL
+// 0 INVOKESTATIC
+// 0 INVOKEVIRTUAL
+// 3 ICONST_0