r278806 - Add empty --gcc-toolchain empty to cuda-detect test.

[Samuel Antao via cfe-commits]

Author: sfantao
Date: Tue Aug 16 09:31:39 2016
New Revision: 278806

URL: http://llvm.org/viewvc/llvm-project?rev=278806&view=rev
Log:
Add empty --gcc-toolchain empty to cuda-detect test.

Unless we overload the default gcc toolchain with an empty string 
the system root used in the tests will be ignored if the user builds
clang  with a custom gcc toolchain.
 

Modified:
    cfe/trunk/test/Driver/cuda-detect.cu

Modified: cfe/trunk/test/Driver/cuda-detect.cu
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/cuda-detect.cu?rev=278806&r1=278805&r2=278806&view=diff
==============================================================================
--- cfe/trunk/test/Driver/cuda-detect.cu (original)
+++ cfe/trunk/test/Driver/cuda-detect.cu Tue Aug 16 09:31:39 2016
@@ -75,6 +75,7 @@
 // Verify that C++ include paths are passed for both host and device frontends.
 // RUN: %clang -### -no-canonical-prefixes -target x86_64-linux-gnu %s \
 // RUN: --stdlib=libstdc++ --sysroot=%S/Inputs/ubuntu_14.04_multiarch_tree2 2>&1 \
+// RUN: --gcc-toolchain="" \
 // RUN: | FileCheck %s --check-prefix CHECK-CXXINCLUDE
 
 // CHECK: Found CUDA installation: {{.*}}/Inputs/CUDA/usr/local/cuda