Ensure Polly linking works without BUILD_SHARED_LIBS
Ensure Polly linking works without BUILD_SHARED_LIBS

This change ensures all necessary symbols are resolved correctly. Before this
change on some systems, the linker may have eliminated some symbols not directly
used in bugpoint, but used in Polly.

Suggested-by: Michael Kruse <lvm@meinersbur.de>

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@281438 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,apple/swift-llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm