[PATCH] [lbc++abi] [unwinder] Support Cortex-m0

[Saleem Abdulrasool]

================
Comment at: assembly.h:65
@@ +64,3 @@
+#if defined(__arm__)
+#ifndef __ARM_ARCH
+#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) ||                     \
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The whole block of __ARM_ARCH seems incorrect to me.  What compiler are you trying to support?  Both clang and gcc have supported this part of the ACLE for some time now.

http://reviews.llvm.org/D5314