Compile jbmc/class-fields test sources

Add pom.xml for compilation, move sources, remove obsolete pre-compiled class files.
Add missing desiredAssertionStatus method to local java.lang.Class model.

Author: peterschrammel

Diff for: jbmc/regression/jbmc/class-fields/Test.class

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>org.cprover.regression</groupId>
+    <artifactId>regression.jbmc.class-fields</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.cprover.regression</groupId>
+        <artifactId>regression.jbmc</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.cprover.util</groupId>
+            <artifactId>cprover-api</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-jar-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>default-jar</id>
+                        <phase>none</phase>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

Diff for: jbmc/regression/jbmc/class-fields/java/lang/Class.class

@@ -9,4 +9,7 @@ protected void cproverNondetInitialize() {
     org.cprover.CProver.assume(field == null);
   }
 
+  public boolean desiredAssertionStatus() {
+    return true;
+  }
 }

Diff for: jbmc/regression/jbmc/class-fields/org/cprover/CProver.class

@@ -1,6 +1,6 @@
 CORE
 Test
---function Test.main
+--function Test.main -cp target/classes
 ^EXIT=10$
 ^SIGNAL=0$
 ^VERIFICATION FAILED$

Diff for: jbmc/regression/jbmc/class-fields/org/cprover/CProver.java

@@ -67,6 +67,7 @@
         <module>cast_null2</module>
         <module>catch1</module>
         <module>char1</module>
+        <module>class-fields</module>
         <module>classpath-jar-load-whole-jar</module>
     </modules>