[PATCH] ARM Unwind syntax in libcxxabi

[Renato Golin]

Hi joerg, rafael, compnerd,

This patch fixes the bad argument that GAS accepted but the IAS didn't,
ie. {#0x20}, moving it to {0x20} which both accept. It also makes the
ARMv7+ save/restore correct by using VFP instructions rather than old
co-processor ones.
    
Fixes PR20529.

http://reviews.llvm.org/D5234

Files:
  src/Unwind/UnwindRegistersRestore.S
  src/Unwind/UnwindRegistersSave.S
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