More data points: For guile-2.0.9 also tried building:
x86_64-darwin11, Apple-clang from Xcode-4.6.2 (same as original report) with -g
-O1
also seg-faults
x86_64-darwin11, clang-release-3.3 with -g -O2
also seg-faults
powerpc-darwin8, Xcode 2.5, apple-gcc-4.0.1 with -g -O2
works fine
Fang
