[Driver] Fix arch-specific-libdir-rpath.c

Summary: Fix the test by adding missing -target flags with a 'linux' triple.

Reviewers: rnk, srhines

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D30947

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@297754 91177308-0d34-0410-b5e6-96231b3b80d8

test/Driver/arch-specific-libdir-rpath.c

@@ -59,19 +59,19 @@
 // RUN:   | FileCheck --check-prefixes=RESDIR,LIBPATH-X86_64,RPATH-X86_64 %s
 //
 // Add LIBPATH but no RPATH for ubsan (or any other sanitizer)
-// RUN: %clang %s -### 2>&1 -fsanitize=undefined \
+// RUN: %clang %s -### 2>&1 -fsanitize=undefined -target x86_64-linux \
 // RUN:     -resource-dir=%S/Inputs/resource_dir_with_arch_subdir \
 // RUN:     -frtlib-add-rpath \
 // RUN:   | FileCheck --check-prefixes=RESDIR,LIBPATH-X86_64,NO-RPATH %s
 //
 // Add LIBPATH but no RPATH if no sanitizer or runtime is specified
-// RUN: %clang %s -### 2>&1 \
+// RUN: %clang %s -### 2>&1 -target x86_64-linux \
 // RUN:     -resource-dir=%S/Inputs/resource_dir_with_arch_subdir \
 // RUN:     -frtlib-add-rpath \
 // RUN:   | FileCheck --check-prefixes=RESDIR,LIBPATH-X86_64,NO-RPATH %s
 //
 // Do not add LIBPATH or RPATH if arch-specific subdir doesn't exist
-// RUN: %clang %s -### 2>&1 \
+// RUN: %clang %s -### 2>&1 -target x86_64-linux \
 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 // RUN:     -frtlib-add-rpath \
 // RUN:   | FileCheck --check-prefixes=RESDIR,NO-LIBPATH,NO-RPATH %s