When R_X86_64_PC32/R_X86_64_32 relocations are used against preemptible symbol and output is position independent, error should be generated. Differential revision: http://reviews.llvm.org/D18190 llvm-svn: 264707
Similarly to how we do with linkonce_odr symbols already, but change their linkage to weak. llvm-svn: 264181