Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -309,7 +309,7 @@
 
 # Remove flags that may have snuck in.
 remove_flags(-DNDEBUG -UNDEBUG -D_DEBUG
-             -stdlib=libc++ -stdlib=libstdc++ -lc++abi -m32)
+             -stdlib=libc++ -stdlib=libstdc++ -lc++abi)
 
 # FIXME(EricWF): See the FIXME on LIBCXX_ENABLE_PEDANTIC.
 # Remove the -pedantic flag and -Wno-pedantic and -pedantic-errors