http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51852
--- Comment #9 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-16 10:15:55 UTC --- (In reply to comment #5) > (In reply to comment #4) > > >The message "Unhandled dwarf expression opcode 0xf3" stands out > > That just means the version of gdb you are using does not understand the > > dwarf2 > > extensions that GCC is emitting. > > > > We really need a preprocessed source to figure out what is going on here. > > Have > > you looked into using something like delta? > > http://gcc.gnu.org/wiki/A_guide_to_testcase_reduction > > I can't even get a preprocessed source... when I preprocess the test case > first > and then compile it, the error goes away. I only get the error if I do the > preprocessing and the compilation in the same step. This means you probably are using pre-comiled headers?