Add --cuda-path to mock a CUDA Toolkit installation to avoid
unexpected error messages for incompatibility between the
default SM level and the support in the installed toolkit.

Differential Revision: https://reviews.llvm.org/D40996

llvm-svn: 320506
diff --git a/clang/test/Driver/unknown-std.cpp b/clang/test/Driver/unknown-std.cpp
index a7aae51..2122a74 100644
--- a/clang/test/Driver/unknown-std.cpp
+++ b/clang/test/Driver/unknown-std.cpp
@@ -4,7 +4,7 @@
 
 // RUN: not %clang %s -std=foobar -c 2>&1 | FileCheck --match-full-lines %s
 // RUN: not %clang -x objective-c++ %s -std=foobar -c 2>&1 | FileCheck --match-full-lines %s
-// RUN: not %clang -x cuda -nocudainc -nocudalib %s -std=foobar -c 2>&1 | FileCheck --match-full-lines --check-prefix=CHECK --check-prefix=CUDA %s
+// RUN: not %clang -x cuda -nocudainc -nocudalib --cuda-path=%S/Inputs/CUDA/usr/local/cuda %s -std=foobar -c 2>&1 | FileCheck --match-full-lines --check-prefix=CHECK --check-prefix=CUDA %s
 
 // CHECK: error: invalid value 'foobar' in '-std=foobar'
 // CHECK-NEXT: note: use 'c++98' or 'c++03' for 'ISO C++ 1998 with amendments' standard