ensure that every error return sets a message (and goes through Error, for
easy breakpointing).

Fix bugs reading constantexpr geps.  We now can disassemble kc++ global
initializers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36398 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed