o GNU * Submitted Linaro version string and macros patch for ARM GCC 8 vendor branch

o LLVM * Built LLVM 7.0.0 RC1 ARM and AArch64 binaries * Investigate infra issues with release builds * libcxxabi exception address alignment test failure: - Added some comments to help the review * Machine Outliner on ARM prototype: - Implemented saving LR in a register support

o Misc * Various meetings and discussions.