Explicitly specify triple in driver test from r188660

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@188662 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Driver/integrated-as.s b/test/Driver/integrated-as.s
index 11db4cf..824d1b6 100644
--- a/test/Driver/integrated-as.s
+++ b/test/Driver/integrated-as.s
@@ -8,5 +8,5 @@
 // RUN: not %clang -c -integrated-as -Wa,--compress-debug-sections %s 2>&1 | FileCheck --check-prefix=INVALID %s
 // INVALID: error: unsupported argument '--compress-debug-sections' to option 'Wa,'
 
-// RUN: %clang -### -c -integrated-as %s -fsanitize=address 2>&1 %s | FileCheck --check-prefix=SANITIZE %s
+// RUN: %clang -### -target x86_64-linux-gnu -c -integrated-as %s -fsanitize=address 2>&1 %s | FileCheck --check-prefix=SANITIZE %s
 // SANITIZE: argument unused during compilation: '-fsanitize=address'