GC stress fixes and other bugfixes; classpath progress

classpath/java/lang/Float.java

@@ -9,6 +9,22 @@ public final class Float extends Number {
     this.value = value;
   }
 
+  public boolean equals(Object o) {
+    return o instanceof Float && ((Float) o).value == value;
+  }
+
+  public int hashCode() {
+    return floatToRawIntBits(value);
+  }
+
+  public String toString() {
+    return toString(value);
+  }
+
+  public static String toString(float v) {
+    return "todo";
+  }
+
   public byte byteValue() {
     return (byte) value;
   }
@@ -32,4 +48,9 @@ public final class Float extends Number {
   public double doubleValue() {
     return (double) value;
   }
+
+  public static int floatToRawIntBits(float value) {
+    // todo
+    return 0;
+  }
 }