Fix incomplete type test on OS X; workaround weird DYLD_LIBRARY_PATH behavior

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@307230 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/incomplete_type.sh.cpp b/test/incomplete_type.sh.cpp
index 86ff7da..6062dc6 100644
--- a/test/incomplete_type.sh.cpp
+++ b/test/incomplete_type.sh.cpp
@@ -16,9 +16,13 @@
 
 // UNSUPPORTED: libcxxabi-no-exceptions
 
+// NOTE: Pass -lc++abi explicitly and before -lc++ so that -lc++ doesn't drag
+// in the system libc++abi installation on OS X. (DYLD_LIBRARY_PATH is ignored
+// for shell tests because of Apple security features).
+
 // RUN: %cxx %flags %compile_flags -c %s -o %t.one.o
 // RUN: %cxx %flags %compile_flags -c %s -o %t.two.o -DTU_ONE
-// RUN: %cxx %flags %t.one.o %t.two.o %link_flags -o %t.exe
+// RUN: %cxx %flags %t.one.o %t.two.o -lc++abi %link_flags -o %t.exe
 // RUN: %t.exe
 
 #include <stdio.h>