Comment 1 for bug 1383650

The problem affects SBCL 1.2.3 and 1.2.4, at least.

I built them using SBCL 1.1.6.0-3c5581a as host Lisp (because that's the latest officially distributed binary version of SBCL for MacOS/X). I can forward the log of the build process.

The platform is:
$ system_profiler SPSoftwareDataType
 System Version: OS X 10.9.5 (13F34)
 Kernel Version: Darwin 13.4.0

$ system_profiler SPHardwareDataType
 Model Name: MacBook Pro
 Model Identifier: MacBookPro5,1
 Processor Name: Intel Core 2 Duo

$ uname -a
 ... root:xnu-2422.115.4~1/RELEASE_X86_64

$ gcc --version
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn)
Target: x86_64-apple-darwin13.4.0
Thread model: posix