Use @rpath for ASan dylib in Makefiles

Reviewed at http://reviews.llvm.org/D6176




git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@221557 91177308-0d34-0410-b5e6-96231b3b80d8

runtime/compiler-rt/Makefile

@@ -221,8 +221,6 @@ $(ResourceLibDir)/$1/libclang_rt.%.dylib: \
 		$(ResourceLibDir)/$1/.dir
 	$(Echo) Copying runtime library $1/$$* to build dir
 	$(Verb) cp $(PROJ_OBJ_DIR)/clang_$1/$$*/libcompiler_rt.dylib $$@
-	$(Echo) Fixing LC_ID_DYLIB of $$@
-	$(Verb) install_name_tool $$@ -id $$@
 RuntimeLibrary.$1: \
 		$(RuntimeLibrary.$1.Configs:%=$(ResourceLibDir)/$1/libclang_rt.%)
 .PHONY: RuntimeLibrary.$1