[Bug bootstrap/54609] libbacktrace breaks bootstrap on darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54609

--- Comment #3 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-09-17 17:31:40 UTC ---
Created attachment 28204
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28204
preprocessed source for libbacktrace/unknown.c on x86_64-apple-darwin12

Generated with...

gcc-fsf-4.7 -DHAVE_CONFIG_H -I. -I../../gcc-4.8-20120917/libbacktrace -W -Wall
-Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-Wmissing-format-attribute -Wcast-qual -Werror -I
../../gcc-4.8-20120917/libbacktrace/../include -I ../libgcc -g -MT unknown.lo
-MD -MP -MF .deps/unknown.Tpo -c ../../gcc-4.8-20120917/libbacktrace/unknown.c
-o unknown.o --save-temps