ARROW-1258: [C++] Suppress Clang dlmalloc compiler warnings#889

Closed

wesm wants to merge 2 commits intoapache:masterfrom

wesm:ARROW-1258

Commits on Jul 25, 2017

Suppress Clang dlmalloc compiler warnings
wesm
committed

Commits on Jul 26, 2017

Set -Wno-conversion for dlmalloc on gcc builds
wesm
committed