Fix .put() for some stack values

#KT-3087 Fixed

compiler/backend/src/org/jetbrains/jet/codegen/StackValue.java

@@ -488,20 +488,8 @@ public abstract class StackValue {
 
         @Override
         public void put(Type type, InstructionAdapter v) {
-            if (type == Type.VOID_TYPE) {
-                return;
-            }
-            if (type.equals(JET_TUPLE0_TYPE)) {
-                putTuple0Instance(v);
-                return;
-            }
-            if (type != Type.BOOLEAN_TYPE && !type.equals(OBJECT_TYPE) && !type.equals(getType(Boolean.class))) {
-                throw new UnsupportedOperationException("don't know how to put a compare as a non-boolean type " + type);
-            }
             putAsBoolean(v);
-            if (type != Type.BOOLEAN_TYPE) {
-                box(Type.BOOLEAN_TYPE, type, v);
-            }
+            coerceTo(type, v);
         }
 
         @Override
@@ -580,17 +568,8 @@ public abstract class StackValue {
 
         @Override
         public void put(Type type, InstructionAdapter v) {
-            if (type == Type.VOID_TYPE) {
-                myOperand.put(type, v);    // the operand will remove itself from the stack if needed
-                return;
-            }
-            if (type != Type.BOOLEAN_TYPE && !type.equals(OBJECT_TYPE) && !type.equals(getType(Boolean.class))) {
-                throw new UnsupportedOperationException("don't know how to put a compare as a non-boolean type");
-            }
             putAsBoolean(v);
-            if (type != Type.BOOLEAN_TYPE) {
-                box(Type.BOOLEAN_TYPE, type, v);
-            }
+            coerceTo(type, v);
         }
 
         @Override

compiler/testData/codegen/regressions/kt3087.kt

@@ -0,0 +1,26 @@
+fun putNumberCompareAsUnit() {
+    if (1 == 1) {
+    }
+    else if (1 == 1) {
+    }
+}
+
+fun putNumberCompareAsVoid() {
+    if (1 == 1) {
+        1 == 1
+    } else {
+    }
+}
+
+fun putInvertAsUnit(b: Boolean) {
+    if (1 == 1) {
+    } else if (!b) {
+    }
+}
+
+fun box(): String {
+    putNumberCompareAsUnit()
+    putNumberCompareAsVoid()
+    putInvertAsUnit(true)
+    return "OK"
+}

compiler/tests/org/jetbrains/jet/codegen/ControlStructuresTest.java

@@ -474,4 +474,9 @@ public class ControlStructuresTest extends CodegenTestCase {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
         blackBoxFile("controlStructures/finallyOnEmptyReturn.kt");
     }
+
+    public void testKt3087() {
+        createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
+        blackBoxFile("regressions/kt3087.kt");
+    }
 }