XCore target: Pass through "-fverbose-asm" flag to xcc assembler.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@201141 91177308-0d34-0410-b5e6-96231b3b80d8
XCore target: add section information.

Xcore target ABI requires const data that is externally visible
to be handled differently if it has C-language linkage rather than
C++ language linkage.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@201142 91177308-0d34-0410-b5e6-96231b3b80d8