[ASan] Fix darwin-sanitizer-ld.c for iossim, which seems to use -lc++ instead of -lstdc++.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194822 91177308-0d34-0410-b5e6-96231b3b80d8

test/Driver/darwin-sanitizer-ld.c

@@ -13,7 +13,7 @@
 // RUN:   | FileCheck --check-prefix=CHECK-ASAN-IOSSIM %s
 
 // CHECK-ASAN-IOSSIM: "{{.*}}ld{{(.exe)?}}"
-// CHECK-ASAN-IOSSIM: stdc++
+// CHECK-ASAN-IOSSIM: lc++
 // CHECK-ASAN-IOSSIM: libclang_rt.asan_iossim_dynamic.dylib"
 
 // RUN: %clang -no-canonical-prefixes -### -target x86_64-darwin \