Fix build for X32 arch.
Flatten ObjectFile structure and remove from glue.
'thisify' IRBase functions.
More X32 fixes.
More flattening IRState.
Small test suite fixes.
Bug 61 - LTO: internal compiler error: in build_dtype
Mark 'this' for methods/closures as implicitly const.
Merge D 2.063 front-end.
Fix most severe new front-end breakages.
Pass AA types around transparently as if they were void*
Update config-lang.in
Bug 57 - Comparing small structs fails
Fix build for gcc 4.9 development.
Rename configure.in to configure.ac
Rebuild configure with autoconf2.64
Reset core.runtime to upstream state
Add gcc.backtrace with libbacktrace support
Use gcc.backtrace for exception backtraces
Use libbacktrace for segmentation faults in unit tests