dmd not building with dmd

[Steven Schveighoffer via Digitalmars-d]

I went to create a PR, and did a git pull on all my repositories. After 
make clean on OSX, dmd would not build:

/Applications/Xcode.app/Contents/Developer/usr/bin/make -C src -f posix.mak
no cpu specified, assuming X86
CC=c++ dmd idgen.d
Undefined symbols for architecture x86_64:
   "__Unwind_GetIPInfo", referenced from:
       ___dmd_personality_v0 in libphobos2.a(dwarfeh_5c8_811.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see 
invocation)

I had to revert to dmd 2.070 as the build tool to get it to build.

My question is: is this expected behavior, or should I file a bug?

-Steve