View Compilation Error

0_0_10335935_12079.cpp: In function `void clear()':
0_0_10335935_12079.cpp:44: error: `cleanUp' undeclared (first use this function)
0_0_10335935_12079.cpp:44: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10335935_12079.cpp: In function `void cleanUp(Node*)':
0_0_10335935_12079.cpp:49: error: `void cleanUp(Node*)' used prior to declaration