Last night, I ran Software Update and updated Xcode. Here’s the description Apple provided:
Xcode 3.2.2 is an update release of the developer tools for Mac OS X. This release provides bug fixes in gdb, Interface Builder, Instruments, llvm-gcc and Clang optimizer, Shark, and Xcode and must be installed on Mac OS X 10.6.2 Snow Leopard and higher. See the accompanying release notes for detailed instructions, known issues, and security advisories.