[CMake] When built with LLVM, not use `-Wl,-z,defs`
[CMake] When built with LLVM, not use `-Wl,-z,defs`

This matches standalone build behavior. PR28681

Differential Revision: https://reviews.llvm.org/D53686

Patch By: tabloid.adroit

git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@345547 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt